Archer Daniels Midland Co. v. Brunswick County , 129 F. App'x 16 ( 2005 )


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  •                              UNPUBLISHED
    UNITED STATES COURT OF APPEALS
    FOR THE FOURTH CIRCUIT
    No. 04-1250
    ARCHER DANIELS MIDLAND COMPANY,
    Plaintiff - Appellee,
    versus
    BRUNSWICK COUNTY, NORTH CAROLINA,
    Defendant - Appellant.
    Appeal from the United States District Court for the Eastern
    District of North Carolina, at Wilmington. James C. Fox, Senior
    District Judge. (CA-02-96-7-F)
    Argued:   October 26, 2004                 Decided:   March 15, 2005
    Before WIDENER, GREGORY, and SHEDD, Circuit Judges.
    Affirmed by unpublished opinion. Judge Gregory wrote the majority
    opinion. Judge Widener wrote a separate concurring opinion. Judge
    Shedd wrote a dissenting opinion.
    ARGUED: John Joseph Butler, PARKER, POE, ADAMS & BERNSTEIN,
    Raleigh, North Carolina, for Appellant. Larry Bruce Sitton, SMITH
    MOORE, L.L.P., Greensboro, North Carolina, for Appellee. ON BRIEF:
    Charles C. Meeker, PARKER, POE, ADAMS & BERNSTEIN, Raleigh, North
    Carolina, for Appellant. Manning A. Connors, SMITH MOORE, L.L.P.,
    Greensboro, North Carolina, for Appellee.
    Unpublished opinions are not binding precedent in this circuit.
    See Local Rule 36(c).
    GREGORY, Circuit Judge:
    This diversity action concerns a long-term contract for the
    sale of water between Archer Daniels Midland Company (“ADM”) and
    Brunswick    County,       North    Carolina    (“Brunswick   County”    or    “the
    County”).    In 1999 the County increased its rates as part of a plan
    to pay off debt incurred from efforts to expand the water system.
    ADM objected to the rates, then sued the County in the U.S.
    District Court for the Eastern District of North Carolina.                     The
    district court granted summary judgment to ADM for liability and
    damages and entered a judgment in the amount of $357,758 in
    compensatory       damages    and    $58,264.64    in   prejudgment     interest.
    Brunswick County now appeals the court’s rulings against it.                    We
    affirm the ruling of the district court.
    I.
    To reveal the full context of the issues involved we quickly
    revisit the parties’ pre-contractual course of dealing, the express
    text    of   the    contract,       and   the   post-contractual      course    of
    performance.
    A.     Pfizer and Brunswick County
    In the early 1970s, Brunswick County had no water system.
    Pfizer, Inc. (“Pfizer”) wished to run a citric acid manufacturing
    plant that would need large amounts of potable water.              The parties
    negotiated a deal in 1973 by which Pfizer would build its plant in
    2
    Southport, a town in Brunswick County, and defray significantly the
    water system’s costs by guaranteeing that its plant would be a
    large consumer of the County’s water.    The County, in turn, built
    the water system and offered advantageous pricing for the water.
    It appears from the record that the new water system quickly
    became insufficient and that, among other problems, the system’s
    inadequacies caused difficulties at Pfizer’s plant.    As a result,
    in 1979 or 1980 the County decided to expand the water system and
    distribution facility.    It secured Pfizer’s blessing by amending
    the original contract and approved a bond referendum to pay for the
    expansion.    The parties call the first agreement and its amendment
    Phase I and Phase IA, respectively.
    Soon afterwards the County began yet another expansion of its
    water system.    This expansion -– called Phase II -- was completed
    in 1983 and was also funded with bonds.      Once done, the County
    began to charge Pfizer rates that included costs associated with
    Phase II.    Moreover, at some unknown point the County began to mix
    its accounts by paying an annual subsidy from its general (non-
    water system) funds in order to satisfy the debt service for Phase
    II.   These actions led to a 1984 lawsuit quite similar to the one
    now before us:   Pfizer sued the County for including Phase II costs
    in its rate calculations.      On October 7, 1986, Pfizer and the
    County settled this lawsuit by signing the contract before us (“the
    contract”), which is effective until the year 2020.
    3
    B.    The 1986 Contract
    The    contract    establishes        what   should    be   a    seamless     and
    straightforward pricing structure.                First, ¶ 5 of the contract
    states that the County must always charge Pfizer the “Lowest
    Commercial Rate” (“LCR”) in effect at the time of the water’s
    delivery.       J.A.   21.        The   qualifier     “commercial”     is    actually
    misleading, since ¶ 4(b) clearly defines LCR as “the lowest price
    charged by the County to any user purchasing water for any purpose
    whatsoever.”     J.A. 20.
    Several conditional ceilings to the LCR exist in ¶ 5, but the
    only two now relevant are ¶¶ 5(d) and 5(f).1                         Paragraph 5(d)
    establishes that the rate charged per 1,000 gallons will not exceed
    $1.50 times the Producer Price Index for Finished Goods (“PPI”)
    established “from May 1, 1985 to May 1 of the calendar year in
    which     the   rate   for    the       forthcoming    fiscal    year       is   being
    determined.”      J.A. 22.        Paragraph 5(f) offers something like an
    exception to ¶ 5(d).         The bulk of this dispute concerns whether ¶
    5(f) applies, and its meaning if it does.                We thus quote ¶5(f) at
    length:
    Should the maximum charges as specified herein be
    insufficient to meet the Net Operating and Maintenance
    Expense for any fiscal year plus debt service... relating
    only to Phases I and IA of the Water System (specifically
    1
    Paragraphs 5(a) through 5(c) are inapplicable after 1988.
    Paragraph 5(e) provides a volume-based discount to ¶ 5(d). The
    district court granted summary judgment to the County on the point
    that ¶ 5(e) did not apply, and ADM did not appeal.
    4
    excluding debt service. . . relating to Phase II and debt
    service relating to any subsequent expansion of the Water
    System), the charges for all customers for the year in
    question shall be increased on an equal percentage basis
    by the County (including increasing the maximum charges
    to Pfizer beyond that otherwise authorized by this
    Agreement) in order to raise sufficient funds to cover
    both such Net Operating and Maintenance Expense and Phase
    I and Phase IA debt service.
    J.A. 22.   Paragraph 5(f) is plainly structured as an “if, then”
    conditional.   If (and only if) “the maximum charges as specified
    herein” are “insufficient” to meet the County’s “Net Operating and
    Maintenance Expense” (“NOME”) plus debt service only on Phases I
    and IA, then the charges for all customers “shall be increased on
    an equal percentage basis.” Id. (emphasis added).   Paragraph 4(c)
    defines NOME in detail:
    Net Operating and Maintenance Expense” shall mean the
    cost of raw water and other direct expenses associated
    with the operation and maintenance of the County’s Water
    System. The following are examples of such items: 1.
    Salaries 2. FICA taxes 3. Group Insurance (Medical) 4.
    Payments to retirement fund 5. Professional service 6.
    Postage 7. Telephone 8. Utilities 9. Travel and Training
    10. Equipment repairs 11. Vehicle repairs 12. Equipment
    rental 13. Chemicals 14. Automotive supplies 15.
    Department supplies 16. Laboratory supplies 17. Uniforms
    18. Contracted services 19. Dues and subscriptions 20.
    Insurance 21.    Capital equipment used to operate or
    maintain the Water System, but excluding any equipment to
    expand the County’s Water System.      Excluded from Net
    Operating Expense are all (1) debt service obligations,
    (ii) all expenses which are reimbursed by special fees,
    such as tap on fees, (iii) any funding of reserves for
    other than operation and maintenance items; and (iv) for
    the purposes of interpreting 4(c)(21) above, any costs of
    capital investment to expand or extend the Water System.
    J.A. 20-21.
    5
    In sum, the contractual text protects Pfizer by limiting the
    rates the County can charge it to an amount that is (1) never more
    than any other customer is charged, (2) unless certain conditions
    are met, no more than (for our purposes) the PPI-adjusted price of
    ¶ 5(d), and (3) in any event, never more than a rate that would be
    “sufficient” to meet the “cost of raw water and other direct
    expenses associated with the operation and maintenance of the
    County’s Water System” when coupled with other customers’ charges
    (see infra Part III.A).      The County, however, may (1) set the LCR
    at any amount up to the ¶ 5(d) ceiling it chooses.              Additionally,
    (2) by requiring Pfizer to contribute “on an equal percentage
    basis,” ¶ 5(f) aids the County in obtaining an amount equal to the
    water system’s NOME.
    C. The Parties’ Pre-Litigation Course of Performance
    In 1990, Pfizer sold its manufacturing plant to ADM, making
    ADM a successor in interest to the contract.            As the district court
    found,    we   have   no   reason   to       believe   that   the   contractual
    relationship between the County and Pfizer/ADM was anything but
    harmonious after the contract was signed until the 1999 rate
    increases.     Throughout this time, Pfizer and ADM purchased immense
    amounts of water from the County; in fact, ADM notes that it is the
    County’s largest water customer.
    The undisputed evidence before the district court shows that
    in late 1997 and 1998 the County set a goal of ending its subsidy
    6
    of the water system, particularly the system’s Phase II debt.2
    Among other evidence, Lee Smith, the County’s Director of Public
    Utilities, testified at a deposition that to achieve this goal the
    County set in place a five-year plan to pay off twenty percent of
    the debt annually by increasing charges systemwide.         Smith’s
    deposition included the following exchange:
    Q:   Let me ask you, in referring to [the Contract], and
    specifically paragraph 5, to explain how the County
    has calculated the rate for water that has been
    charged to ADM since January 1999.
    A:   Okay, the way the rate was calculated beginning
    that year was that staff was given a charge to have
    the –- to establish a rate that would eventually
    get the water system on a paying basis, and that
    was developed into a five-year plan, and that plan
    was –- in that plan was a rate developed for
    industrial customers, which ADM is one of. . . .
    J.A. 250; see also J.A. 253.     Under this “five year plan,” rather
    than calculating the rate in the progression that the contract
    anticipates, the County worked backwards from the goal of making
    the water system self-sufficient.
    Mr. Smith also testified, and no other evidence contradicts,
    that so far as he knows, prior to this litigation the County had
    never calculated a ¶ 5(f) rate in the manner which the County now
    wishes for us to calculate it.    See J.A. 275-77, 314.   Rather, as
    the following excerpt from Mr. Smith’s deposition indicates, the
    2
    In 1993 the revenue bonds associated Phases I and IA were retired,
    thus dissolving those debt-service obligations.
    7
    only    rate   calculations   done   are   reflected    in   a   number   of
    worksheets:
    Q:   Before that [January 1, 1999] rate was put into
    place, were there any calculations done to see if
    that rate complied with the agreement?
    A:   The process was done through the finance department
    as an internal process. She [Lithia Brooks] –- it
    is referred to in [. . . the worksheets3]. . . .
    Q:   Are those calculations that were done at some point
    to determine the rate of water charged to ADM?
    A:   Those were the –- that process was conducted by
    finance, and that was –- those were the people that
    conducted that particular analysis.
    J.A. 254-56.    After the 1999 rate increases began, in response to
    ADM’s questions, the County’s counsel sent a June 29, 1999 letter
    which enclosed “a summary of the calculations used by the County to
    arrive at the potable water rate. . . .”               J.A. 574-76.       The
    enclosures were worksheets for fiscal years 1998-99 and 1999-00.4
    A later letter from the County’s attorney to ADM explains that the
    method used in these worksheets is consistent with the County’s
    prior rate-setting methods.     Specifically, it states:
    Information should have been sent to your office that
    supports the County’s calculation of the water rate.
    This method was the same method that was used to
    3
    The specific worksheets referred to here are found at J.A. 407,
    411-413.   The method used in the worksheets generated by the
    County’s finance department are materially identical.
    4
    The 1998-99 worksheet was called “Brunswick County Water Rate
    Analysis FY 98-99 Approved Budget.”   The 1999-00 worksheet was
    entitled “Brunswick County Water Rate Analysis FY 99-00 Revised
    Recommended Budget.”   J.A. 575-76. Subsequent exhibits included
    in the record (as “Exhibit 12" and “Exhibit 13" at J.A. 407-13)
    included the same 1998-99 worksheet and utilized the materially
    same method for later fiscal years.
    8
    calculate the rate set in 1996. The same calculation
    method that produced the $1.1815 rate (that ADM is
    currently paying) [sic: $1.815] produced the $1.98 rate.
    Are we to assume that since there was no objection to the
    method used to set the rate at that time, that there will
    be no objection to its being set the same way this time?
    J.A. 580.
    Despite the County’s current protests to the contrary, these
    worksheets are important insights into the County’s pre-litigation
    rate-setting methods.   As the district court found, the worksheets
    revealed that the County would:       (1) calculate the PPI rate; (2)
    calculate the rate necessary to cover NOME, then (3) compare the
    PPI rate with the NOME rate, and only charge above the PPI rate if
    (1) is less than (2).     See J.A. at 664.      To calculate the rate
    necessary to cover NOME, the worksheets begin with the water-system
    budget –- and decidedly not any other expenses, like the large
    capital-projects expenses accounted for elsewhere that the County
    would now have us include –- as NOME’s foundation.5          They then
    deduct from the Water System budget all debt service6 and “special
    fees” (including “tap” and “LCFW&SA” fees and, beginning in 1999-
    00,   “capacity,”   “availability,”    and   “acreage”   fees).7   The
    5
    The 1998-99 water system budget was $13.83 million, while the
    1999-00 water system budget was $12.86 million.
    6
    The 1998-99 worksheet adds back in $421,000 of some other “debt
    service” (which, according to the district court, is actually a
    line item in the water-system budget for capital leases for water
    system maintenance equipment. See J.A. 667).
    7
    In 1998-99, the deduction for “special fees” totaled $1.16 million
    and reflected only “tap on” and “LCFWRA” fees.      In fiscal year
    9
    worksheets then divide this resulting amount by what appears to be
    the total gallons of water sold to arrive at an “approved water
    rate.”   See J.A. 407-11, 575-76.8         This “approved” rate was, to the
    County, the maximum rate it could charge ADM.
    The   County   now   attempts   to     discredit   its    earlier   clear
    representations to ADM that the worksheets were “used by the County
    to arrive at the potable water rate,” J.A. 574; “support[] the
    County’s calculation of the water rate,” J.A. 580; were “the same
    method that was used to calculate the rate set in 1996[,]” id., and
    are “[t]he same calculation method that produced the [] rate (that
    ADM is currently paying). . . .”           Id.
    The County’s offerings in support of this assertion, however,
    are less than meager.        It can submit only the testimony of its
    Director of Fiscal Operations, Lithia E. Brooks, who now claims
    that the internal worksheets were, while produced at her direction,
    never actually used to calculate the ¶ 5(f) rate.              E.g., J.A. 214-
    17.   Notably, however, Brooks echoes Smith in failing to offer any
    positive method for how rates actually were charged.                 Thus, in
    1999-00 and subsequent years, however, the County began to charge
    its customers other “capacity,” “availability,” and “acreage” fees
    -- in addition to the per-thousand-gallon charge. These were also
    each deducted by the County as “special fees.” J.A. 407-11, 576.
    The worksheets for fiscal years 1999-00 and after also then add in
    to the water system budget approximately $1.6 million annually for
    depreciation of capital assets. Id.
    8
    In 1998-99 the approved rate was $2.51 per thousand gallons.                In
    1999-00, it was $1.979 per thousand gallons.
    10
    denying that the worksheets reflected the County’s pre-litigation
    rate-setting method, the County is left in the awkward position of
    (1) having to admit that it never calculated ADM’s water rates
    under the method they would now have us use and (2) offering no
    affirmative theory -- much less evidence -- of how its rates
    actually were calculated before the lawsuit. In stark contrast, on
    this point ADM offers (1) clear-as-day pre-litigation admissions
    from the County, sent by its attorney, that the worksheet method
    was used before litigation and did reflect the County’s rate-
    setting method for years before those years relevant for this
    lawsuit.   J.A. 572-81.   Moreover, ADM offers (2) other worksheets
    ordered at Ms. Brooks’ behest which consistently continue the
    methods of the pre-litigation worksheets for the fiscal years up
    through 2003.   See J.A. 407-11.
    On August 31, 2000 –- about seven months after it sent the
    last letter in support of the worksheets -- the County told ADM
    that it owed $191,546, the difference between the rate ADM was
    paying and the rate the County had charged since January 1, 1999.
    The County threatened to cancel ADM’s water service if it did not
    send payment by September 21, 2000.     On September 14, 2000, ADM
    paid what the County said it owed under protest.
    D. The Lawsuit
    ADM sued on June 21, 2002.    The thrust of ADM’s case is that,
    because ¶ 5(f) was inapplicable, the County was unjustified in
    11
    charging anything more than the ¶ 5(d) rate.          Specifically, ADM
    contends that it overpaid by $357,768 in the years now relevant to
    the contract.9        Brunswick County asserted a counterclaim for the
    years ADM has paid less than the County’s full charges, and, unlike
    ADM, requested a jury trial.        The County’s chief counter-argument
    is that its rates could have been justified, even had it not
    included the Phase II debt charges.
    To support this theory, the County relies upon the report and
    deposition of Dr. C. W. Corssmit, Ph.D., an utilities economist who
    analyzed the rates from July 1, 1998 to June 30, 2001.             Most
    relevantly, Dr. Corssmit’s report teased out expenditures from the
    County’s non-water system budgets and submitted that they were
    really expenditures that could have been, but were not, counted
    9
    This includes amounts of $145,546 above the ¶ 5(d) rate for 2001,
    $76,686 for 2002, $105,410 for 2003, and $30,126 through October
    30, 2004. J.A. 680, 728-30. The following table illustrates the
    rates charged ADM compared to what the ¶ 5(d) rate would have been
    during the relevant years:
    Fiscal Year             Paragraph 5(d) rate   Rate charged to ADM
    2001                    $1.97                 $2.20
    2002                    $2.04                 $2.38
    2003                    $1.98                 $2.80
    2004                    $2.03                 $2.32
    ADM has since only paid at a rate of $2.20 per thousand gallons
    (charged to it in 2001) rather than the subsequently increasing
    rates the County has billed.
    12
    under NOME. Having done so, the report concludes that adding these
    expenses would have justified the County’s rates.
    After    discovery,       ADM    moved    for     total   summary       judgment.
    Brunswick County opposed and, in turn, moved only for partial
    summary judgment on the issues that (1) the statute of limitations
    barred any damages arising before the fiscal year beginning July 1,
    2000, and (2) ¶ 5(e) (which granted a volume-based discount to the
    ¶ 5(d) rate) was inapplicable.
    On December 2, 2003, after ordering supplemental briefing, the
    district court granted both parties’ motions -- thus finding that
    the   County       breached    and    denying    the    County’s    counterclaims.
    Finding that the operative portions of the contract “present[] a
    difficult case for interpretation,” J.A. 659, and that neither
    party   submitted      an     entirely   reasonable       reading   of    ¶    5(f)   in
    litigation, the court leaned heavily on the parties’ pre-lawsuit
    conduct as evidenced by the worksheets.                  The district court then
    ordered further supplemental briefing on damages, and the parties
    calculated the rates under the worksheet method.                        The district
    court also heard a request from the County to reconsider the
    propriety     of    deducting     “special      fees”    from   NOME.     The     court
    declined to alter its ruling from what it found the worksheet
    method to entail, and issued a final judgment on February 11, 2004,
    which granted ADM $357,758 in compensatory damages and $58,264.64
    in prejudgment interest.             The County timely appeals.
    13
    II.
    We review a district court’s grant of summary judgment de
    novo.    Boss v. E.I. Dupont de Nemours & Co., 
    324 F.3d 761
    , 766 (4th
    Cir. 2003); Goodman v. Resolution Trust Corp., 
    7 F.3d 1123
    , 1126
    (4th Cir. 1993).       Summary judgment should be granted when no
    genuine issue of material fact remains unresolved and the moving
    party is entitled to judgment as a matter of law.          Fed. R. Civ. P.
    56(c); Anderson v. Liberty Lobby, Inc., 
    477 U.S. 242
    , 248-49
    (1986).    At the summary judgment stage, the judge's function is to
    determine whether any genuine issue of material fact remains for
    trial.    Anderson, 477 at 249.     Unless “the evidence is such that a
    reasonable jury could return a verdict for the nonmoving party,”
    summary judgment is proper.       
    Id. at 248
    .
    The district court properly noted that North Carolina law
    controls the interpretation of the contract; ¶ 14 of the contract
    indicates as much.       However, the court then errantly noted –-
    albeit    ultimately   harmlessly   –-    a   different   summary   judgment
    standard.    Citing the North Carolina Supreme Court case of Davison
    v. Duke University, 
    194 S.E.2d 761
    , 783 (N.C. 1973) for the
    proposition that “[t]he interpretation of a contract is a question
    of law within the court’s province,” J.A. 653, the district court
    simply decided that, under North Carolina law, it was to decide the
    contract as a matter of law.
    14
    This was an oversight.       Since the suit was filed in federal
    court, the Federal Rules of Civil Procedure govern matters like
    whether Fed. R. Civ. P. 56(c) motions for summary judgment should
    be granted.      As Judge Posner has explained, under Erie, federal
    courts sitting in diversity should apply state contract law as
    would a court in that state because contract law is substantive; it
    is “concerned primarily with ‘the channeling of behavior outside
    the courtroom.’”        Coplay Cement Co. v. Willis & Paul Group, 
    983 F.2d 1435
    , 1438 (7th Cir. 1993)(citations omitted).                          However,
    federal law must govern whether a question is one of law or fact,
    because that is a matter “internal to the federal judicial system”
    involving the allocation of functions between judge and jury. Id.;
    Cunningham and Co., Inc. v. Consolidated Realty Mgmt., Inc., 
    803 F.2d 840
    , 842 (5th Cir. 1986)(“The roles of judge and jury in the
    interpretation     of   contracts   are       set   by   federal      law,    even    in
    diversity cases.”); see also Byrd v. Blue Ridge, 
    356 U.S. 525
    , 538
    (1958)(“[T]here is a strong federal policy against allowing state
    rules    to   disrupt   the    judge-jury      relationship      in    the    federal
    courts.”); Atkins v. Schmutz Mfg. Co., 
    435 F.2d 527
    , 536-37 (4th
    Cir.    1970)(same).      In   short,    while      we   respect      and    apply    as
    appropriate     substantive      state    law,      we   guard     jealously         the
    independence of our internal procedural rules like summary judgment
    standards.
    15
    III.
    This case turns on the interaction of a contract’s express
    terms and the parties’ course of performance under the Uniform
    Commercial Code (“UCC”).    Section 2-208 of the UCC, adopted by
    North Carolina as 
    N.C. Gen. Stat. § 25-2-208
    ,10 mandates that courts
    give some –- but not unreasonably heavy -- interpretive weight to
    the parties’ course of performance.     On this point, § 2-208 makes
    at least two principles plain:    first, a course of performance is
    “relevant” to determine the “meaning of the agreement.”    
    N.C. Gen. Stat. § 25-2-208
    (1).   Second, only when the two can not reasonably
    be read in harmony do the express terms “control” the course of
    performance.   
    N.C. Gen. Stat. § 25-2-208
    (2).11
    10
    North Carolina has adopted Article 2 of the Uniform Commercial
    Code. 
    N.C. Gen. Stat. §§ 25-1-101
     to 25-11-108. Because water can
    be measured by a flow meter, it is “movable” under Article 2, and
    thus the contract at issue in this suit is one for the sale of
    goods. See 
    N.C. Gen. Stat. § 25-2-105
    ; Mulberry-Fairplains Water
    Ass’n v. Town of North Wilkesboro, 
    412 S.E.2d 910
    , 915 (N.C. App.
    1992)(contract for sale of water from town to business is sale of
    goods); Westpoint Stevens, Inc. v. Panda-Rosemary Corp., 
    1999 WL 33545512
     at *3 (N.C. Super. Dec 16, 1999)(finding steam to be
    “goods”).
    11
    Section 2-208 of the North Carolina Commercial Code provides in
    full:
    (1) Where the contract for sale involves repeated
    occasions for performance by either party with knowledge
    of the nature of the performance and opportunity for
    objection to it by the other, any course of performance
    accepted or acquiesced in without objection shall be
    relevant to determine the meaning of the agreement.
    (2) The express terms of the agreement and any such
    course of performance, as well as any course of dealing
    and usage of trade, shall be construed whenever
    reasonable as consistent with each other; but when such
    16
    We analyze the contract with these rules equally in mind with
    the   proper    summary   judgment    standard,      and    conclude       that    the
    district court correctly granted summary judgment to ADM.
    A.   The Parties’ Course of Performance
    Given     the   evidence    submitted     in   the      summary      judgment
    materials, the County cannot now convincingly contest that a course
    of performance did not exist.          As the County correctly realizes,
    the   letters    themselves    are   not,    standing      alone,    a    course    of
    performance. See Appellant’s Br. at 41-42; 
    N.C. Gen. Stat. § 25-2
    -
    208 cmt. 4 (“A single occasion of conduct does not fall within the
    language of this section.”).         Rather, the letters and             worksheets
    are simply strong evidence –- not credibly contradicted, and almost
    surely   admissible12     –-     regarding    the    course     of       performance
    construction is unreasonable, express terms shall control
    course of performance and course of performance shall
    control both course of dealing and usage of trade
    (3) Subject to the provisions of the next section [§ 25-
    2-209] on modification and waiver, such course of
    performance shall be relevant to show a waiver or
    modification of any term inconsistent with such course of
    performance.
    
    N.C. Gen. Stat. § 25-2-208
    .
    12
    The County contends that the letters –- but, to their credit, not
    the worksheets –- are inadmissible under Fed. R. Evidence 408
    because they were part of “compromise negotiations.” Appellant’s
    Br. at 39-40; Reply Br. at 13 n.1. We disagree. The letters were
    written months prior to any lawsuit and at the time they were
    written no reason existed to believe that any litigation would
    necessarily come to pass.    Courts surely need not exclude all
    inter-party questions and discussions about a contract; the
    probative value of such evidence is quite high and considering
    discussions such as this does no harm to Rule 408's good goal of
    encouraging actual compromise negotiations.
    17
    established during the pre-litigation years.               The County’s failure
    to appreciate this distinction leads them to the errant argument
    that the letters cannot be a course of performance because ADM
    never “accepted or acquiesced in” the method proposed in the
    letters and worksheets without objection.                Appellant’s Br. at 41-
    43. First, ADM never disputed the method explained in the letters;
    it just questioned the basis for the numbers plugged into the
    calculations. But more fundamentally, these letters and worksheets
    offer    the   only   evidence   we   have    of   the    County’s   (previously
    admitted) rate-setting method throughout the years and, relatedly,
    ADM’s continued acceptance of it.            See, e.g., Water Ass’n v. Town
    of North Wilkesboro, 
    412 S.E.2d 910
    , 916 (N.C. App. 1992) (course
    of performance established, and contract modified, when town sold
    business water in excess of maximum contract price and amount for
    15 years).     Thus, not only can the County not point to one bit of
    evidence establishing any other rate-setting method used during the
    many years of voluminous water sales under the contract before
    1999, but the County can show no evidence that these rates were not
    accepted.
    The County also submits the novel suggestion that a course of
    performance between a successor in interest to a contract and an
    original party to the contract may not shed light on the intent of
    the original parties.        See id. at 20, 36-38.             This also falls
    short.    A contractual successor stands in its predecessor’s shoes
    18
    for both rights and responsibilities and -- at least -- a frank
    admission about the course of performance by an original party to
    the contract surely may be used against it by the successor.       Were
    it any other way, it seems that the UCC’s course of performance and
    waiver doctrines would be read out of existence whenever a contract
    for the sale of goods is assigned.             Such a result would be
    particularly   likely,   and    particularly    unjust,   in   long-term
    contracts like this one.       This cannot comport with the intent of
    the drafters of the UCC.
    The County finally argues that a genuine issue of material
    fact remains as to the course of performance because Ms. Brooks
    claims that the County never used these methods to set rates.13
    Appellant’s Br. at 38-39.      This too must fail.   With silence that
    speaks loudly, the County submits no other affirmative method in
    the summary judgment materials to contradict the clear statement of
    13
    Specifically, Ms. Brooks contends that the Utilities Department
    –- not the finance department, which evidently developed the
    worksheet –- sets the water rate. Ms. Brooks’ testimony included
    the following exchanges:
    Q.   Is [the worksheet] used in any way to assist the
    County in determining the water rates to be charged to
    customers? A. No, sir, it is not. . . . Q. How does
    the County calculate, then the rate that is charged to
    customers for water? A. That is simply based on the
    amount that is calculated needed to cover projected
    expenses for that department.
    J.A. 215. Yet the head of the utilities department, Mr. Smith,
    plainly states that, prior to Dr. Corsmitt’s post-litigation
    involvement in the matter, the County never interpreted ¶ 5(f) as
    it would now have the court do.      This fruitless and circular
    finger-pointing simply does not create a triable issue of fact on
    the parties course of performance.
    19
    their attorney that the methods outlined in the worksheets were
    used by the County before litigation.          We find it difficult to
    believe that any reasonable jury would weigh a bare, post-hoc
    denial, offered with nothing else to stand in its place, over a
    pre-litigation   admission   by   a    sophisticated   contracting   party
    vetted by its lawyer and subsequently bolstered by other uses.
    Here the County sent letters stating, among other things, that “a
    summary of the calculations used by the County to arrive at the
    potable water rate. . . .”        J.A. 574 and “[t]his method was the
    same method that was used to calculate the rate set in 1996.            The
    same calculation method that produced the [rate that ADM was paying
    at the time of the letter] produced [this] rate.”          J.A. 580.    In
    sum, while ADM, as the plaintiff, assuredly bears the burden of
    proof on establishing a course of performance, the County has
    simply offered no evidence which genuinely puts into issue that the
    worksheets evidenced the course of performance.
    B.   Express Text of the Contract
    Because “[t]he parties themselves know best what they have
    meant by their words of agreement and their action under that
    agreement is the best indication of what that meaning was,”            
    N.C. Gen. Stat. § 25-2-208
     cmt. 1., § 25-2-208(2) commands us to
    construe the course of performance and express contractual text
    harmoniously “whenever reasonable.”         Thus, it follows that only
    when such a reading is decidedly unreasonable do the express terms
    20
    “control.”       
    N.C. Gen. Stat. § 25-2-208
    (2).                 The operative express
    terms for this contract are those which determine whether ¶ 5(f)
    applies: (1) “maximum charges as specified herein” and (2) “NOME.”
    When (2) is an amount greater than (1), then ¶ 5(f) might apply.
    As    explained       below,   these       sections      may,   with      one    exception,
    reasonably     be      read    in    harmony      with    the    parties’        course   of
    performance.
    1.     “Maximum charges as specified herein”
    Paragraph       5(f)    notes    that      when    the   “maximum        charges    as
    specified herein” are “insufficient” to cover NOME, the County
    shall charge all its customers equally more in order to equal NOME.
    J.A. 22.     The worksheets consistently divide the County’s NOME by
    all    gallons     of    water      sold    by    the    County      to   establish       the
    “calculated rate to cover operations.”                     J.A. 575-76.          Thus, the
    district court found that the contract’s real meaning was informed
    by    the   parties’      pre-litigation          conduct,      as   evidenced      in    the
    worksheets, which was to utilize all water rates.                          The court did
    so, however, in spite of its opinion that the only “maximum
    charges”     the      contract      expressly     provided      “herein”        were   ADM’s
    charges set out in the immediately preceding paragraphs 5(a)-(e).
    We attack this problem differently. As established above, the
    course of performance was not genuinely in dispute.                             Given this,
    under 
    N.C. Gen. Stat. § 25-2-208
    (2), the proper question before the
    court is simply whether the express text may reasonably be read in
    21
    harmony with the course of performance.          It can.     The contract
    surely does not assume that ADM and the County contract in a
    vacuum.   Indeed, without other customers, many important portions
    of the contract are rendered meaningless:        among other references
    to revenue received from other users of the water system, ¶¶ 4(b)
    and 5 ensure that all other customers’ charges must be higher than
    ADM’s; ¶ 6 requires that the County charge all customers fairly and
    as low as practicable and requires that all water-system revenues
    (not merely ADM’s) exclusively for water system purposes.14           This
    all allows at least a reasonable reading that “herein” was meant to
    refer to the entire contract –- and thus other customers’ charges
    -- not merely the     immediately preceding ¶¶ 5(a)-(e).       Indeed, as
    notable as what the contract expressly says is what it does not but
    could have said if the parties meant to give “herein” such a
    cramped meaning:      the contract decidedly does not refer to the
    charges “as specified in the immediately preceding paragraphs” or
    “the maximum charges otherwise allowed to Pfizer.”            Finally, we
    also note ADM’s uncontested citation of an identical contract –-
    complete with an identical ¶ 5(f) -- the County entered into with
    the town of Long Beach.      J.A. 590.     This contract’s existence is
    important   because   it   severely    undermines   any   notion   that   in
    14
    Indeed, ¶ 5(f) itself requires all other rates to be increased
    equally to ADM’s rates if they are ever increased beyond the ¶ 5(d)
    PPI-rate whenever the “maximum charges” are “insufficient.” It is
    certainly not unreasonable to read these two phrases of ¶ 5(f) in
    equilibrium.
    22
    drafting ¶ 5(f) the County relied solely on Pfizer/ADM’s charges to
    cover NOME.      Thus, as established by both the plain text and
    confirmed by the parties’ plain course of performance, the district
    court was well within its rights to find as a matter of law that
    ¶ 5(f)’s “if” trigger -- “the maximum charges as specified herein”
    –-    encompasses   all   water    sold,     not    merely    the   charges    of
    Pfizer/ADM.    There simply is no factual dispute on this point for
    a jury to consider.
    2.    NOME
    The other side of the ¶ 5(f) coin is NOME.                     The County
    challenges the district court’s exclusion of three categories of
    expenses from NOME:       (1) large capital expenses accounted for
    outside the water-system budget, (2)               depreciation for capital
    expenses, and (3) certain “fees” the County began charging in 1999.
    The district court properly excluded all three.
    Unlike it evidently did in the worksheets, the County now
    wishes to go back and include significant expenses from the capital
    projects fund in the calculation of NOME.                As Ms. Brooks argues,
    “many significant capital expenditures for, among other things,
    maintaining the water system are not reported as an expenditure in
    the   Water   System   Operating    Fund     but   are   instead    reported   as
    expenditures in the Capital Products Fund.”                 J.A. 59.    Yet the
    summary judgment materials make clear that the County utilized the
    water system budget –- and not other capital projects expenses
    23
    which the County now claims should count -- as the baseline for
    calculating NOME.
    The contract defines NOME as “the cost of raw water and other
    direct expenses” of operating and maintaining -– but not expanding
    –- the system.   To be sure, this makes no explicit reference to the
    water system budget; but neither does this text make unreasonable
    a reading that the water system budget was to serve as the
    contract’s proxy for “the cost of raw water and other direct
    expenses.”   Following the district court’s reasoning, it hardly
    seems that the parties, when drafting the contract, anticipated
    retaining an utilities economist annually to tease out “water
    system” expenses from areas other than that which the County
    previously and readily recognized were water system expenses. Yet,
    since the course of performance did not include such expenses, to
    find that such capital expenses should be included we would have to
    be so sure that this was the parties’ intent that it would be
    unreasonable to believe otherwise.    Surely it is not.   Thus, since
    the course of performance and express text can reasonably be read
    in harmony here, we are commanded to do so.     See 
    N.C. Gen. Stat. § 25-2-208
    (2).
    The interpretation of the fees and depreciation accounted for
    on   the   1999-00   worksheet   is   a   slightly   tougher   issue.
    Paragraph 4(c) states that “all expenses which are reimbursed by
    special fees, such as tap on fees” may not be included in the
    24
    definition of NOME.         J.A. 21.          The question is whether the
    additional charges the County apparently began in 1999 are thus
    “special fees, such as a tap on fee.”
    We first note that the County’s consistent method as evidenced
    in the worksheets was to deduct all three fees from the water
    system budget.      Indeed, in every fiscal year that these fees were
    charged, they were listed by the County under the category “special
    fees.”   See J.A. 407-11, 575-76.       We also see that the County’s own
    witnesses state consistently that acreage fees directly reimburse
    debt expenses and the capacity fees reimburse expansion expenses.
    Besides the fact that both of these fees directly reimburse an
    expense -- and are therefore “special” -- they doubly deserve
    exclusion    from    NOME   because    they    reimburse   expenses     plainly
    impermissible under ¶ 4(c).15         Thus, the course of performance and
    express text are capable of being reasonably read in harmony.
    Finally, the district court found that “depreciation should
    not be counted towards NOME because it. . . is a fictional, rather
    than a “direct expense” to the water system.            J.A. 666.   The County
    challenges    this    ruling   by     arguing    that    depreciation    is   a
    “maintenance” expense that is especially important to include if
    15
    As for the “availability” fees, while we certainly presume that
    the County acts under in good faith, we note that (1) the contract
    is written in a way such that the County holds all the cards and
    could easily manipulate what any fee “reimburses”; and (2) prior to
    litigation (the period which North Carolina contract law gives
    heaviest weight), the County called availability fees “special” and
    deducted them when calculating their rates.
    25
    the “direct” capital maintenance expenses are not included.                     We
    again agree with the district court.                  Paragraph 4(c) of the
    contract took the time to list twenty-one examples of “direct
    expenses,”      ranging   from   FICA    taxes   to   postage    to    laboratory
    supplies   to    uniforms.       Given    this   level   of   detail    for   such
    comparatively minuscule items, it is unreasonable to believe that
    an expense as enormous as depreciation -- a $1.6 million annual
    entry on the worksheets -- was left off the list of “direct
    expense” examples by accident.             Thus, consistent with the UCC’s
    commands, the district court was correct here to allow the “express
    text” of the contract “control” the parties’ course of performance.
    See 
    N.C. Gen. Stat. § 25-2-208
    (2).
    IV.
    For no shortage of reasons, a court “faces a conceptually
    difficult task in deciding whether to grant summary judgment on a
    matter of contract interpretation.”              World-Wide Rights Ltd. V.
    Combe Inc., 
    955 F.2d 242
    , 245 (4th Cir. 1992).                  Here this is so
    because a court must hold in equipoise a proper respect for the
    express text and the UCC’s practical command to allow the parties’
    conduct to aid in defining the text all while determining whether
    any genuine issues of material fact remain and refraining from
    deciding disputed facts.
    26
    The district court completed this difficult task acceptably.
    No genuine dispute existed regarding the County’s pre-litigation
    rate-setting method, and thus the parties’ course of performance
    was clear enough.       The district court properly read the express
    text of the contract and the course of performance in harmony when
    it   was   reasonable    to   do   so,    but   when,   on   the   issue   of
    depreciation, such a reading was unreasonable, it correctly allowed
    the express text to control.       Thus, the district court’s judgment
    is
    AFFIRMED.
    27
    WIDENER, Circuit Judge, concurring:
    I concur in Judge Gregory’s majority opinion.   I should add
    that I would affirm on the opinion of the district court.
    28
    SHEDD, Circuit Judge, dissenting:
    I respectfully dissent.        The dispute between the parties
    should be governed by the unambiguous language of the contract and
    not, as the majority incorrectly rules, by the parties’ so-called
    course of performance.
    The relevant contractual language provides:
    5.   The County will charge [ADM] for water actually
    delivered to [ADM] . . . , and [ADM] will pay for such
    water, at the Lowest Commercial Rate in effect at the
    time of such deliveries provided, however, that in no
    event shall such charge exceed the following amounts:
    . . .
    (d) For fiscal years subsequent . . . to 1988, an
    amount per 1,000 gallons not to exceed $1.50 times the
    ratio of the change in the PPI [Producer Price Index] .
    . . .
    (f) Should the maximum charges as specified herein
    be insufficient to meet the Net Operating and Maintenance
    Expense [NOME] for any fiscal year . . . , the charges
    for all customers for the year in question shall be
    increased on an equal percentage basis by the County
    (including increasing the maximum charges to [ADM] beyond
    that otherwise authorized by this Agreement) in order to
    raise sufficient funds to cover . . . such [NOME].1
    The   parties   agree   that   ADM   must   pay   either   the   amount
    described in section 5(d), which is the PPI rate, or the amount
    described in section 5(f), which is the NOME rate.        The parties, of
    course, disagree as to which of these two rates applies.
    1
    Section 5(f) also includes language allowing the addition of debt
    service expenses for Phase I and Phase IA into the calculation.
    These debt service obligations were fulfilled by 1993, so they are
    not relevant to this case.
    29
    To determine which rate applies, we must first turn to the
    express terms of the contract.       Under North Carolina law,     “the
    most fundamental principle of contract construction [is] that the
    courts must give effect to the plain and unambiguous language of a
    contract.”   Johnston County v. R.N. Rouse & Co., 
    414 S.E.2d 30
    , 34
    (N.C. 1992).     If the language of a contract is unambiguous, the
    intention of the parties must be inferred from the words of the
    contract.    Walton v. City of Raleigh, 
    467 S.E.2d 410
    , 411 (N.C.
    1996).   Under such circumstances, the “court’s only duty is to
    determine the legal effect of the language used and to enforce the
    agreement as written.”    Atlantic & E. Carolina Ry. Co. v. Southern
    Outdoor Adver., Inc., 
    501 S.E.2d 87
    , 90 (N.C. Ct. App. 1998).        A
    contract is not ambiguous merely because the parties differ on how
    to interpret its terms.     Walton, 467 S.E.2d at 412. Unambiguous
    contracts are interpreted by the court as a matter of law.       First-
    Citizens Bank & Trust Co. v. 4325 Park Rd. Assocs., 
    515 S.E.2d 51
    ,
    54 (N.C. Ct. App. 1999); World-Wide Rights Ltd. Partnership v.
    Combe, Inc., 
    955 F.2d 242
    , 245 (4th Cir. 1992).
    Although the relevant contractual provisions require careful
    reading and cross-referencing, they are nonetheless unambiguous.
    The PPI rate in section 5(d) -- an indexed rate that is not in
    dispute --     applies unless “the maximum charges as specified” in
    section 5 of the contract are “insufficient to meet the [NOME] for
    any fiscal year.”   Section 5(f).    If the “maximum charge” ADM would
    30
    be required to pay in a given year for its water consumption based
    on the PPI rate2 is “insufficient to meet” the qualifying NOME
    expenses allowed under the contract, then the County may charge ADM
    the higher NOME rate under section 5(f).3
    The qualifying NOME expenses are clearly defined in section
    4(c) of the contract.   They include direct expenses for salaries,
    postage, utilities, uniforms, insurance, chemicals, laboratory
    supplies, training and travel, and many other typical expenses
    incurred in operating a water system.
    The parties dispute two categories of expenses under the
    definition of NOME. The first disputed provision allows the County
    to add into NOME direct expenses for “[c]apital equipment used to
    operate or maintain the Water System.” Section 4(c)(21).       The
    County presented evidence of such expenses in the relevant years,
    but the district court precluded these amounts from the calculation
    of NOME.   Because the unambiguous language of the contract clearly
    allows the County to include these expenses in calculating NOME,
    the district court’s exclusion of them was erroneous.   The second
    disputed provision states that “all expenses which are reimbursed
    2
    There are several “maximum charges” listed in section 5, but,
    based on the particular facts of the case, the only “maximum
    charge” specified in section 5 that could be used to make this
    necessary calculation under section 5(f) is the PPI rate under
    section 5(d).
    3
    ADM argues that “maximum charges” means all charges paid by all
    customers. There is no support for this interpretation based on
    the plain terms of the contract.
    31
    by special fees, such as tap on fees” shall be excluded from NOME.
    Section 4(c)(21)(ii) (emphasis added). The County, for example,
    charges each customer a tap-on fee when it physically connects that
    customer to the water system.    This fee pays for the labor and
    plumbing supplies required to make the connection.      Because the
    customer is required to reimburse the County for these particular
    expenses by paying the fee, the County in effect incurs no net
    expense.   Allowing the County to add its tap-on expenses to NOME
    when they have already been directly reimbursed by the customer
    would improperly inflate NOME and, more importantly, would violate
    the terms of the contract.
    In addition to tap-on fees, the County charges acreage,
    capacity, and availability fees.      Unlike tap-on fees, there is
    evidence that these three fees do not directly reimburse the County
    for any specific expenses incurred by the County.   If these fees do
    not represent “expenses which are reimbursed by special fees,” they
    should have no effect on NOME.    Nevertheless, the district court
    ruled that the amount of revenue recovered by these fees should be
    subtracted from NOME. NOME, however, is a calculation of expenses,
    not revenues.   Based on the contract, not even tap-on fees are
    actually subtracted from NOME; rather, the corresponding expenses
    reimbursed by the tap-on fees are excluded from NOME.     Requiring
    the County to subtract its revenues from the acreage, capacity, and
    availability fees improperly reduces NOME and thus affects the
    32
    determination of whether the County may charge ADM the higher NOME
    rate in section 5(f).     Accordingly, the district court erred by
    requiring, as a matter of law, the subtraction of these fees from
    NOME.4
    The majority ignores the unambiguous language of the contract
    and instead purports to decide the case, as a matter of law, based
    on the parties’ so-called course of performance.          North Carolina
    law provides that when a contract governed by the commercial code
    “involves repeated occasions for performance by either party with
    knowledge of the nature of the performance and opportunity for
    objection to it by the other, any course of performance accepted or
    acquiesced in without objection shall be relevant to determine the
    meaning of the agreement.” N.C. GEN. STAT. § 25-2-208(1) (emphasis
    added).    ADM    did   not   know   the   “nature   of   the   [County’s]
    performance”     (i.e., how the County calculated the water rate)
    until it first disputed the County’s new water rate in 1999.        After
    ADM disputed the rate, the County provided copies of its internal
    worksheets. Upon receiving the County’s internal calculations, ADM
    did not “accept” or “acquiesce” in the County’s calculation.
    Instead, ADM informed the County that the information “still does
    not satisfy ADM that the new rate is in compliance with the terms
    4
    At oral argument, counsel for ADM conceded that availability fees
    do not directly reimburse any specific expenses. Counsel for ADM
    also conceded that the County’s argument relating to acreage and
    capacity fees has merit.
    33
    of the contract,” and, most tellingly, ADM refused to pay the
    increased rate imposed by the County.              Thus, there is no course of
    performance between the parties, as defined by § 25-2-208, that is
    “relevant to determine the meaning of the agreement” in this case.
    Id.
    The    district    court’s    misplaced        reliance   on   course   of
    performance necessarily affects the determination of the maximum
    rate the County is allowed to charge ADM under the express terms of
    the contract.      Accordingly, I would reverse the grant of summary
    judgment in favor of ADM.
    Even   if    I   were   to   agree    that    the   parties’   course   of
    performance qualifies as relevant evidence to help determine the
    meaning of the agreement, I would reverse summary judgment and
    remand for trial.         Instead of treating the parties’ so-called
    course of performance as relevant evidence, the district court and
    the majority essentially replace the parties’ written agreement
    with what they consider to be the parties undisputed course of
    performance.      This purported course of performance is, however,
    disputed at its very core.          The County’s evidence shows that the
    internal worksheets, which the district court and now the majority
    basically treat as the new contract, were not used to calculate
    ADM’s rate.       Instead of viewing this evidence in the light most
    favorable to the County, which we must do in our summary judgment
    review, the majority does its own weighing of the evidence and
    34
    rejects it as unbelievable.5               A jury, rather than the majority,
    should be allowed to decide which evidence to believe.
    Finally, the majority fails to consistently apply what it
    deems   to    be     the   parties’    so-called       pre-litigation     course     of
    performance.         In the worksheets, which the majority views as
    sacrosanct for all other purposes, the County included depreciation
    in NOME.     To be consistent, the majority would necessarily have to
    conclude      that    this   too    was    part   of    the   parties’    course     of
    performance.       Nevertheless, the majority insists that depreciation
    cannot be included in this calculation because the express terms of
    the contract prohibit the County from doing so. This conclusion by
    the majority is internally inconsistent with its view of the
    parties      so-called     course     of   performance,       and   it   is   also   an
    incorrect ruling based on the evidence in the record.6
    5
    The majority finds “it difficult to believe that any reasonable
    jury would” believe the County’s denial that the worksheets were
    used to set ADM’s rate. The majority’s prediction on what a jury
    might do with this evidence might be correct, but that question is
    for the jury to decide.
    6
    At the very least, there is a question of fact whether
    depreciation can be included in NOME. The express terms of the
    contract allow the County to include capital maintenance and
    operation expenses in NOME.     The County’s expert opined that
    depreciation can be an appropriate way to estimate capital
    maintenance and operation expenses. We must credit this testimony
    in our review of a grant of summary judgment.
    35