Davis, A. v. Borough of Montrose , 194 A.3d 597 ( 2018 )


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  • J-A11022-18
    
    2018 PA Super 228
    ALICE DAVIS                                :   IN THE SUPERIOR COURT OF
    :        PENNSYLVANIA
    :
    v.                             :
    :
    :
    BOROUGH OF MONTROSE                        :
    :
    Appellant               :   No. 1210 MDA 2017
    Appeal from the Judgment Entered August 30, 2017
    In the Court of Common Pleas of Susquehanna County Civil Division at
    No(s): 2014-168 C.P.
    ALICE DAVIS                                :   IN THE SUPERIOR COURT OF
    :        PENNSYLVANIA
    Appellant               :
    :
    :
    v.                             :
    :
    :
    BOROUGH OF MONTROSE                        :   No. 1250 MDA 2017
    Appeal from the Judgment Entered August 30, 2017
    In the Court of Common Pleas of Susquehanna County Civil Division at
    No(s): 2014-168 C.P.
    BEFORE:      STABILE, J., NICHOLS, J., and PLATT J.*
    OPINION BY NICHOLS, J.:                                FILED AUGUST 13, 2018
    Appellant/Cross-appellee Borough of Montrose (Borough) appeals from
    the judgment entered awarding $99,989.81 in damages for breach of contract
    in favor of Appellee/Cross-appellant Alice Davis (Landlord). Borough claims
    that the trial court erred in barring the testimony of three of Borough’s
    witnesses, in failing to credit its defense of impossibility of performance, and
    ____________________________________________
    *   Retired Senior Judge assigned to the Superior Court.
    J-A11022-18
    in awarding Landlord damages when Landlord did not give Borough an
    opportunity to resume the lease. Landlord cross-appeals claiming that the
    trial court erred in its calculation of damages and in denying pre-judgment
    interest. We vacate the judgment, affirm in part and reverse in part the order
    denying Landlord’s post-trial motion, affirm the order denying Borough’s post-
    trial motion, and remand for further proceedings as set forth below.
    The trial court set forth the following finding of facts:
    1.   On December 21, 2012, [Landlord] and [Borough] entered
    into a lease agreement for property located at 4 Mill Street in
    the Borough of Montrose, Susquehanna County, Pennsylvania
    [(the property or the building)].
    2.   The lease was for a five (5) year term and provided that
    [Borough] pay $59,940 annual rent, payable in monthly
    installments of $4,995. The lease also provided that, in
    addition to rent, [Borough] was responsible to pay all real
    estate taxes, all insurance on the premises, utilities, and any
    and all maintenance, upkeep, and repairs.
    3.   Other than several members of Borough Council doing a “walk
    through” prior to signing the lease, [Borough] did not conduct
    any inspections of the property.
    4.   [Borough] accepted the keys to the property on or about
    January 1, 2013 but never used the building for any purpose.
    5.   The building had been previously used as a gym/fitness
    center and contained a small swimming pool for water
    aerobics. The building also houses a small apartment, not
    included in the lease, which [Landlord] rents separately, and
    which was occupied during the term of the lease.
    6.   In March of 2013, [Borough] tested the building and found
    mold. In June, [Borough] drained the swimming pool. The
    property was retested in July and August of 2013 and mold
    was again found to be present.
    7.   [Borough] notified [Landlord] of the mold findings sometime
    in August of 2013.
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    8.   Thomas Lamon[t], President of Borough Council, had a few
    casual discussions with [Landlord] about remediation of the
    mold between August and October of 2013.
    9.   In early November of 2013, [Borough] advised [Landlord] by
    mail that it was terminating the lease as of December 31,
    2013 due to the presence of mold in the building.
    10. After receiving [Borough]’s notice, [Landlord] hired Flood
    Pros of NY, LLC to conduct successful mold remediation in the
    building. [Landlord] did not advise [Borough] of this result.
    [Landlord] also did repairs and alterations to the building.
    11. [Landlord] contacted a realtor in January, 2014 to place the
    building back on the rental market; however, remediation and
    renovations were not complete until September of 2014.
    [Landlord] then signed a listing agreement on September 23,
    2014 with a rental price of $3,995 per month.
    12. Meanwhile, on February 12, 2014, [Landlord] had filed the
    subject Complaint against [Borough] for breach of the lease
    agreement. [In Borough’s answer, it included as new matter
    the defense of impossibility of performance and asserted that
    Landlord fraudulently represented there was no mold in the
    building prior to entering into the lease].
    Trial Ct. Op. & Verdict, 4/28/17, at 1-2 (unpaginated).
    Prior to trial, Landlord filed motions in limine seeking to exclude expert
    and fact witnesses from testifying for Borough. See generally Landlord’s
    Mot. in Limine to Exclude Testimony of Tenant’s Expert Witness, 6/27/16;
    Landlord’s Mot. in Limine to exclude Testimony of Witnesses Identified Eight
    Days Prior to Trial, 9/29/16.            Specifically, Landlord sought to exclude
    testimony of a recently disclosed expert, Gary Lyons,1 who, according to
    ____________________________________________
    1 Borough initially identified its proposed expert as “Gary Johnson” in a
    September 23, 2016 letter. During trial, however, Borough clarified that the
    expert’s correct name is Gary Lyons. See N.T., 10/4/16, at 10.
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    Borough, would opine that the mold existed in the building before the lease
    was entered into by the parties.               Landlord’s Mot. in Limine to Exclude
    Testimony of Tenant’s Expert Witness, 6/27/16, at ¶ 19.                Additionally,
    Landlord sought to preclude four fact witnesses—Jason Beardsley, Jean Pierce,
    Bernard Bell, and Jeffrey Strohl from testifying.2 See generally Landlord’s
    Mot. in Limine to exclude Testimony of Witnesses Identified Eight Days Prior
    to Trial, 9/29/16.      Landlord asserted that these fact witnesses should be
    precluded from testifying because Borough failed to identify the witnesses or
    the substance of their testimony in response to Landlord’s interrogatories.3
    Id. at ¶ 9-11, 16.
    On October 4th and 5th, 2016, the trial court conducted a bench trial.
    At the outset of trial, the trial court denied Landlord’s motions in limine, but
    explained that it would “sort things out as [they] come[] in.”           See N.T.,
    10/4/16, at 2.
    Landlord testified at trial in support of her position that Borough
    breached the lease and presented evidence regarding her damages, including,
    the lease, the invoice from Flood Pros—the mold remediation company,
    utilities bills, etc. See generally N.T., 10/4/16, at 15-93; N.T., 10/5/16, at
    15-19. Landlord also admitted the deposition testimony of Kevin Telfer, owner
    ____________________________________________
    2 The Borough did not call Bernard Bell or Jeffrey Strohl to testify at trial, and
    they are not relevant to the instant appeal.
    3Landlord did not seek to exclude the testimony of Kenneth DiPhillips, whom
    Borough listed as a witness in response to Landlord’s interrogatories.
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    of Flood Pros, who was hired by Landlord to perform mold remediation. See
    Dep. of Kevin Telfer, 8/17/16, at 2. In his deposition, Telfer described the
    procedure employed in performing the mold remediation in the building. See
    generally id. Telfer also stated that the mold issue was remediated and the
    work completed by December of 2013. Id. at 10.
    Borough, in relevant part, called Richard Tarnowski as an expert in mold
    testing. N.T., 10/4/16, at 117. Tarnowski testified that he was contacted by
    Borough to create a protocol for mold remediation. Id. at 122. Tarnowski
    stated that, on July of 2013, he conducted a visual inspection and identified
    areas in the building with elevated moisture levels. Id. at 128. He testified
    that he “found elevated moisture levels pretty much everywhere, which isn’t
    unusual. They had an indoor swimming pool, so we kind of suspected that
    there could be some moisture issues.” Id. at 130. He further noted that “the
    construction of the building was at a lower grade than the road level. So in
    our opinion, in looking at some of my photos, we had moss growth and mold
    growth and sediment placed at the front of the building, which is most likely
    from runoff of the road.” Id. Tarnowski explained that “the building condition
    certainly could lead to continued mold problems if they weren’t remediated.”
    Id.
    Tarnowski testified that every area of the carpeting that he checked had
    elevated mold levels, that dehumidifiers were not present on site the day he
    visited, and that there was standing water in the pool. Id. at 131. Further,
    there was moisture behind the metal panels where the insulation was located.
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    Id. He continued that he could not recall if he saw visible signs of mold in the
    carpeting, but that he saw visible signs of mold in the HVAC4 ductwork, in the
    pool room, in the sauna room, and on wood door surfaces in the offices. Id.
    at 133.
    Borough called Jean Pierce, who was one of the subjects of Landlord’s
    motion in limine, to testify.         Id. at 169.   Landlord objected to Pierce’s
    testimony regarding the condition of the building before the lease because she
    was not identified in a timely manner and Landlord did not know what Pierce
    was going to testify to or the basis for her conclusions. Id. at 169-170. The
    trial court deferred ruling on Landlord’s objection and permitted her to testify.
    Id. at 170.
    Pierce thereafter testified that she taught exercise and aerobic classes
    at the property prior to the lease. Id. at 172. She stated that there were “a
    great deal of problems” with the pool area, including too many chemicals in
    the pool and the smell being so strong because there was nothing to circulate
    the air.    Id. at 172-74. She further made observations as to there being
    “black mold” on some of the steps leading to the second floor. Id. at 175.
    Pierce explained that she complained to Landlord about the chlorine smell in
    the pool area but not about the existence of mold. Id. at 175-76.
    Upon cross-examination, Pierce acknowledged that she has never been
    employed in the field of mold remediation.            Id. at 177-78.    She also
    ____________________________________________
    4   Heating, ventilation, and air conditioning.
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    acknowledged that she never knew of any testing performed that revealed the
    presence of mold. Id. at 178.
    Borough called Jason Beardsley, who was also one of the subjects of
    Landlord’s motion in limine. N.T., 10/5/16, at 2. At the outset of Beardsley’s
    testimony, Landlord similarly requested a continuing objection for the same
    reasons she had set forth during her objection to Pierce’s testimony.      Id.
    Beardsley then testified that during the period of 2002 and 2003, he worked
    at the gym located in the property. Id. at 3. He testified that his job was
    primarily as a “desk attendant” and that he would “also be responsible for
    making sure that any rubbish was cleaned up and -- you know -- cleaning
    down, you know, wiping down machines that had gotten sweat on them or
    any other substance.”      Id. at 4.    He stated that he observed “mold
    everywhere,” and that he would try to “scrub it off the walls.” Id. at 5, 8.
    On cross-examination, Beardsley acknowledged that he had no training
    on mold remediation or identification. Id. at 10. He stated that he was basing
    his conclusions on his “visual observations” and “experience in life,” but that
    there was no testing performed to identify mold in the building. Id. at 11.
    Borough also called Kenneth DiPhillips, who was employed by Tenant
    and performed some maintenance work in the building after Tenant entered
    into the lease. N.T., 10/4/16, at 180-181. DiPhillips admitted that he had
    never been in the building prior the lease.      Id.   He testified that while
    conducting a walk-through of the property in January of 2013, he noticed that
    water was dripping between the glass entry and the doors to go into the
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    building, the carpet was wet, there were holes on the ceiling of the second
    floor, and there was ice and water in between the steel and the insulation.
    Id. at 182-85. He also observed that there were no gutters.         Id. at 199.
    DiPhillips agreed with Tarnowski’s testimony regarding the property having a
    negative grade, that is, the building being lower than the crown of the road.
    Id. at 182. He stated that he notified Borough Councilman Craig Reimel of
    his observations. Id. at 184.
    On cross-examination, DiPhillips testified that the negative grade
    towards the property was open and obvious, as was the fact that there were
    no gutters. Id. at 201-02, 204-05. He also acknowledged that when he saw
    the ice inside the building, it was in January and it was cold enough to form
    ice. Id. at 202. DiPhillips further acknowledged that he had no training in
    mold remediation. Id. at 203. Moreover, DiPhillips testified that from the
    time Borough entered into the lease, only Borough had access to the property
    and Landlord did not interfere with Borough’s possession and use of the
    property.   Id. at 203-04.   He also acknowledged that while he did minor
    repairs to property, his job was not to determine whether the HVAC system
    was functioning or whether there was a dehumidification system. Id. at 204.
    Borough further called Councilman Craig Reimel.         See id. at 250.
    Reimel testified that during a walk-through prior to entering into the lease, he
    asked, “what about the mold?” and that Landlord responded that “[t]he mold
    will not be an issue.” Id. at 252. He testified that he did not ask anything
    else regarding mold after this brief exchange. Id. at 253.
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    Reimel further stated that he did not rely on Landlord’s statement. Id.
    at 255. Reimel explained that after signing the lease, DiPhillips informed him
    of water dripping inside the front floor. Id. at 256-57. Reimel testified that
    he went to the building and observed the water dripping and the carpet was
    wet. Id. at 257. He further observed that there was ice behind the insulation
    and that he never saw or heard an HVAC, humidification, or dehumidification
    system. Id. at 260, 264. Finally, he testified that the intended purpose of
    the building was for a community center. Id. at 264.
    On cross-examination, Reimel acknowledged that while he had some
    concerns regarding mold prior to signing the lease, the Borough never asked
    whether it could bring a mold inspector into the premises. Id. at 267. He
    further acknowledged that Borough did not inform Landlord when they
    discovered water and ice in the building. Id. at 268. Reimel stated that the
    Borough thereafter conducted three mold tests in March, July, and August of
    2013 and that all of the tests revealed mold in the building. Id. He stated
    that he was “surprised to learn” that Landlord wasn’t informed about the mold
    until the last week of August. Id. 270. Finally, Reimel explained that although
    he had concerns regarding the mold and that while he did not believe Landlord
    when she stated that the mold would not be an issue, he still voted to enter
    into the lease. Id. at 273-74.
    During trial, Borough, who had previously indicated that Lyons would
    provide his expert opinion regarding the presence of mold in the building prior
    to the signing of the lease, proffered Lyons as an expert to testify regarding
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    whether the mold remediation performed by Flood Pros was successful. Id.
    at 163-64. Landlord, however, objected on the basis of Borough’s failure to
    provide a copy of Lyons’ expert report during discovery. Id. at 164-69. The
    trial court agreed and precluded Lyons from testifying. Id. at 169.
    After the parties rested, they requested the opportunity to present trial
    briefs, which the trial court granted. On April 28, 2017, after receiving trial
    briefs from both parties, the trial court awarded Landlord $99,989.81. See
    Trial Ct. Op. & Verdict, 4/28/17. The trial court, in the opinion in support of
    its decision, asserted that it sustained Landlord’s objections to Pierce’s and
    Beardsley’s testimony regarding the alleged presence of mold before the
    lease.
    Both parties filed motions for post-trial relief. Landlord sought judgment
    non obstante veredicto (JNOV), or in the alternative a new trial limited to
    damages, and that the decision include pre-judgment interest.                 See
    generally Landlord’s Mot. for Post-Trial Relief, 5/5/17 (unpaginated).
    Borough sought JNOV5 due to trial court alleged errors in (1) excluding
    Beardsley, Pierce, and DiPhillips’ testimony; (2) not granting a decision in its
    favor where there was impossibility or impracticability of performance; and
    (3) not concluding that Landlord’s failure to notify Borough that the
    ____________________________________________
    5 Counsel for Borough requested JNOV—not a new trial—based on an alleged
    error in the court’s evidentiary rulings. Although ordinarily this would result
    in waiver, we will address the issues on the merits.
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    remediation had been completed prevented Borough from resuming the lease.
    Id. at ¶ 1-2.
    The trial court denied both motions on July 5, 2017. On August 4, 2017,
    Borough filed a timely appeal.6 On August 11, 2017, Landlord filed a timely
    cross-appeal.7 See Pa.R.A.P. 903(b) (“[I]f a timely notice of appeal is filed
    by a party, any other party may file a notice of appeal within 14 days of the
    date on which the first notice of appeal was served[.]”). On August 22, 2017,
    this Court entered an order stating that final judgment had not been entered
    and directing Landlord to praecipe the trial court’s prothonotary to enter
    judgment, and file a certified copy of the trial court docket reflecting entry of
    the judgment with this Court. Order, 8/22/17. Landlord complied with this
    order and a final judgment was entered on August 30, 2017.
    Before addressing the parties’ issues on appeal, we note that the
    standard of review applicable to a non-jury trial is the following:
    Our appellate role in cases arising from non[-]jury trial verdicts is
    to determine whether the findings of the trial court are supported
    by competent evidence and whether the trial court committed
    error in any application of the law. The findings of fact of the trial
    judge must be given the same weight and effect on appeal as the
    verdict of the jury. We consider the evidence in a light most
    favorable to the verdict winner. We will reverse the trial court
    only if its findings of fact are not supported by competent evidence
    in the record or if its findings are premised on an error of law.
    However, [where] the issue . . . concerns a question of law, our
    scope of review is plenary.
    ____________________________________________
    6   Borough’s appeal was docketed at 1210 MDA 2017.
    7   Landlord’s cross-appeal was docketed at 1250 MDA 2017.
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    The trial court’s conclusions of law on appeal originating from a
    non-jury trial are not binding on an appellate court because it is
    the appellate court’s duty to determine if the trial court correctly
    applied the law to the facts of the case.
    [Moreover, t]he trial court, as the finder of fact, is free to believe
    all, part or none of the evidence presented. Issues of credibility
    and conflicts in evidence are for the trial court to resolve; this
    Court is not permitted to reexamine the weight and credibility
    determination or substitute our judgment for that of the fact
    finder.
    Gamesa Energy USA, LLC v. Ten Penn Center Associates, L.P., 
    181 A.3d 1188
    , 1191-92 (Pa. Super. 2018) (internal quotation marks and citations
    omitted).
    I.   Borough’s Appeal
    Borough presents the following questions in its appeal:
    1. Did the [t]rial [c]ourt improperly bar testimony of 3 of
    [Borough]’s fact witnesses whose testimony established the
    existence of mold in the subject premises during [Borough]’s
    occupancy of the building and prior to the lease negotiations
    between the parties?
    2. Did the [t]rial [c]ourt err as a matter of law by failing to
    recognize the evidence offered by [Borough] relative to the
    defense of impossibility of performance of the lease due to the
    presence of potentially harmful mold inside the leased
    property, including but not limited to [Borough]’s expert
    witness who opined, among other things, that th[ese] premises
    would never be mold free as well as the fact witnesses whose
    testimony was stricken by the [t]rial [c]ourt?
    3. Did the [t]rial [c]ourt err as a matter of law in failing to
    recognize that [Landlord]’s own lease required her to rectify
    the hazardous condition caused by the mold, and to notify
    [Borough] of the subsequent remediation of the premises and
    provide [Borough] with an opportunity to resume the lease,
    and does this failure in question act as a bar to [Landlord]’s
    recovery and require a verdict in favor of [Borough]?
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    Borough’s Brief at 15.
    A. Fact witnesses’ testimony
    In its first issue, Borough argues that the trial court erred in ruling that
    three fact witnesses, DiPhillips, Beardsley, and Pierce, could not testify
    regarding the existence of mold in the building before Landlord and Borough
    entered into the lease agreement. Id. at 22. As noted above, although the
    court had initially denied the motion in limine to exclude their testimony, the
    court was open to revisiting the issue.        Indeed, after all of the witnesses
    testified and the parties rested, the trial court, in its opinion in support of its
    decision granted the motion in limine and excluded “any evidence relating to
    the presence of mold in the building prior to the parties entering into the
    lease.” Trial Ct. Op. & Vedict at 3. The court stated that “there [wa]s no
    evidence that any discussions about mold occurred prior to the signing of the
    lease and no evidence by [Borough] that it relied on assurances from
    [Landlord] about this issue.”      Id.   It explained that the only testimony
    regarding this issue was from Borough Council member, Reimel, who asked
    Landlord about mold in the building during a walk through, to which Landlord
    responded that it was not an issue. Id. Reimel testified, however, that he
    did not rely on Landlord’s statement. Id.
    Landlord counters that the witnesses excluded by the trial court were
    not identified until eight days before trial “despite the fact that [Landlord] had
    served discovery requests seeking identification of witnesses more than two
    years [earlier].” Landlord’s Reply Brief at 23. Moreover, Landlord continues,
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    Borough does not justify why it failed to identify the witnesses in a timely
    manner. Id. Landlord further asserts that Borough not only provided no legal
    authority as to how the trial court erred, but also did not articulate how it was
    harmed by the trial court’s alleged error. Id.
    When reviewing a trial court’s determination on motions in limine, we
    apply an abuse of discretion standard.         See Turner v. Valley Housing
    Development Corp., 
    972 A.2d 531
    , 535 (Pa. Super. 2009) (citation omitted).
    “An abuse of discretion may not be found merely because an appellate court
    might have reached a different conclusion, but requires a manifest
    unreasonableness, or partiality, prejudice, bias, or ill-will, or such lack of
    support as to be clearly erroneous.” Crespo v. Hughes, 
    167 A.3d 168
    , 177
    (Pa. Super. 2017) (citation omitted).
    The purpose of the discovery rules is to prevent surprise and
    unfairness and to allow a fair trial on the merits. Analogous case
    law on this subject is found in those decisions that discuss whether
    to allow the testimony of a witness who has not been included in
    a pre-trial memorandum. Such cases focus on the factors a court
    must consider in determining whether or not a witness should be
    precluded for failure to comply with discovery rules. These factors
    are: (1) the prejudice or surprise in fact of the party against whom
    the excluded witnesses would have testified, (2) the ability of that
    party to cure the prejudice, (3) the extent to which waiver of the
    rule against calling unlisted witnesses would disrupt the orderly
    and efficient trial of the case or of cases in the court, (4) bad faith
    of [sic] willfulness in failing to comply with the court’s order. In
    the absence of bad faith or willful disobedience of the rules, the
    most significant considerations are the importance of the witness’
    testimony and the prejudice, if any, to the party against whom
    the witness will testify.
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    Smith v. Grab, 
    705 A.2d 894
    , 902 (Pa. Super. 1997) (internal quotation
    marks, citations, and alterations omitted). We agree with the above rationale
    and discern no abuse of discretion by the trial court in granting the motion in
    limine. See 
    id.
    B. Defense of impossibility of performance
    Initially, Borough argues that the purpose of the lease was to
    “establish[] either a community center, business incubator, or a combination
    of the two.” Borough’s Brief at 23. Borough argues that the parties discussed
    this purpose and that it would require the involvement and participation of the
    general public.   
    Id.
       Landlord claims that the “existence of high levels of
    potentially harmful mold on the leased premises effectively prevented the
    [Borough] from using the property for its intended (and negotiated for) use,
    and indeed, any use that could include or involve the general public.” Id. at
    24. This, Borough analogizes, is the functional equivalent of a fire leveling
    the building. Id. Borough relies on Greenfield & Co. v. Kolea, 
    380 A.2d 758
     (Pa. 1977), in support of its position. Id. at 24-25.
    In support, Borough contends that the testimony of its expert,
    Tarnowski, regarding “the strong likelihood that the leased building’s
    construction assured that the mold therein would be difficult, if not impossible,
    to eradicate,” fully supports Borough’s defense of impossibility. Id. at 24-25.
    Borough claims this testimony proves that the building could not be used for
    public purposes. Id. at 25.
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    Finally, Borough points to paragraph 23 of the lease,8 which addresses
    the occurrence of “damages to premises.”           Id.   Borough argues that the
    paragraph “clearly states that upon notice to the Landlord of a dangerous or
    defective condition, the Borough shall not be required to pay rent for the
    premises that are unusable,” and “that the condition causing the inability to
    use the premises []shall be repaired by the Landlord as speedily as reasonably
    possible.” Id. Borough claims it attempted to communicate with Landlord
    twice regarding the situation but that Landlord stated that Borough “caused
    the mold and [Borough] was responsible for its clean up.” Id. at 26.
    ____________________________________________
    8   Specifically, paragraph 23 of the lease provides:
    23. DAMAGE TO PREMISES:
    A. [Borough] must give Landlord prompt notice of fire, accident,
    damage or dangerous or defective condition. If the Premises
    cannot be used because of fire or other casualty, [Borough] is not
    required to pay rent for the time the Premises are unusable. If
    part of the Premises cannot be used, [Borough] must pay rent for
    the usable part.
    B. In case the Premises shall be damaged by fire or other casualty,
    the same shall be repaired by Landlord as speedily as reasonably
    possible. In case the Premises shall be totally destroyed or so
    damaged by fire or other casualty, the same incapable of repair
    and restoration within six (6) months, then either party, by notice
    given to the other within thirty (30) days after such destruction or
    damage, may elect to cancel and terminate this Lease. If in such
    case neither party elects to terminate this Lease, Landlord shall
    proceed to rebuild or restore the Premises as promptly as possible.
    If this Lease is canceled under this paragraph, Landlord shall not
    be required to repair or rebuild this building.
    See Lease, 12/21/12, at ¶ 23.
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    It is well-established that contract law governs lease agreements.
    Gamesa, 181 A.3d at 1192. We have explained that:
    [t]he interpretation of any contract is a question of law and this
    Court’s scope of review is plenary. Moreover, we need not defer
    to the conclusions of the trial court and are free to draw our own
    inferences. In interpreting a contract, the ultimate goal is to
    ascertain and give effect to the intent of the parties as reasonably
    manifested by the language of their written agreement. When
    construing agreements involving clear and unambiguous terms,
    this Court need only examine the writing itself to give effect to the
    parties’ understanding. This Court must construe the contract
    only as written and may not modify the plain meaning under the
    guise of interpretation.
    Id. (citing Loughman v. Equitable Gas Co., LLC, 
    134 A.3d 470
    , 474 (Pa.
    Super. 2016)).
    This Court has explained the doctrine of impossibility of performance as
    follows:
    Pennsylvania law recognizes the doctrine of frustration of
    contractual purpose or “impracticability of performance” as a valid
    defense to performance under a contract.
    The Restatement (Second) of Contracts § 261 provides:
    § 261. Discharge By Supervening Impracticability
    Where, after a contract is made, a party’s performance is made
    impracticable without his fault by the occurrence of an event the
    non-occurrence of which was a basic assumption on which the
    contract was made, his duty to render that performance is
    discharged, unless the language or the circumstances indicate the
    contrary.
    Restatement (Second) of Contracts § 261 (1981).
    ***
    Once impracticability of performance or frustration of purpose
    occurs, “it is up to the parties to waive the difficulties or seek to
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    J-A11022-18
    terminate the agreement.” [Ellwood City Forge Corp. v. Fort
    Worth Heat Treating Co., Inc., 
    636 A.2d 219
    ,] 223 (Pa. Super.
    1994). If a party proceeds under the original contract, despite
    the impracticability that would otherwise justify his non-
    performance, and is then unable to perform as previously agreed,
    he can be liable for damages. Restatement (Second) of Contracts
    § 261 (1981). On the other hand, a party who has already
    performed under a contract, which is dissolved on the ground of
    supervening impracticability, is generally allowed a claim for
    restitution to the extent his performance has benefited the other
    party. Restatement (Second) of Contracts § 272 Comment: b.
    Relief including restitution. In a proper case recovery may go
    beyond mere restitution and include elements of reliance by the
    claimant, even though they have not benefited the other party.
    Hart v. Arnold, 
    884 A.2d 316
    , 335 (Pa. Super 2005) (some internal quotation
    marks and citations omitted).
    In Greenfield, the case relied upon by Borough, an accidental fire
    destroyed one of the buildings leased by the tenant. Greenfield, 380 A.2d
    at 758. The lease agreement did not contain a provision with respect to the
    tenant’s obligations in the event of destruction due to a fire.          Id.   The
    Pennsylvania Supreme Court held that “the accidental destruction of the
    building by fire excused the parties from further performance of their
    obligations under the lease.” Id. at 760. In so holding, the Court replaced
    an “outdated common law presumption [that] the land [i]s always more
    valuable than the buildings erected on it.” Id. at 760. The Court explained
    that buildings are critical to the functioning of modern society and that when
    parties bargain for the use of a building, “the soil beneath is generally of little
    consequence.” Id.
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    J-A11022-18
    In Hirsch v. Carbon Lehigh Intermediate Unit # 21, 
    65 Pa. D. & C.4th 390
     (C.C.P. Carbon Cty. 2003),9 the case relied upon by Landlord, the
    tenant discovered mold in a building it had leased for purposes of a Learning
    Adjustment School. Hirsch, 65 Pa. D. & C.4th at 392. The first time the
    tenant discovered mold, it informed the landlord who remediated the problem,
    and tenant moved back in.          Id. Approximately a year later, tenant again
    discovered mold. Id. at 395-97. The tenant had some environmental studies
    performed on the building to determine the occurrence of mold. Id. Then,
    with no advance notice, the tenant mailed a letter to landlord advising landlord
    that the Board had voted to terminate the lease effective as of the end of the
    month. Id. at 397.
    The trial court, in Hirsch, found that tenant had no valid reason for
    terminating the lease. Id. at 401. The court reasoned that “[t]he occurrence
    of mold, though an uninsured condition, did not entitle tenant to terminate
    the lease under paragraph 19, which pertains to damage by fire or other
    casualty.    The occurrence of mold in this case did not cause the leased
    premises to be totally or partially destroyed.” Id. at 401. Further, “landlord
    was never notified and given a reasonable opportunity to correct the
    condition.” Id.
    ____________________________________________
    9 We note that except for when the law-of-the-case doctrine applies, generally,
    “trial court decisions are not binding upon the Superior Court.” Echeverria
    v. Holley, 
    142 A.3d 29
    , 36 n.2 (Pa. Super. 2016).
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    J-A11022-18
    Here, the trial court found that Greenfield was wholly inapplicable. See
    Trial Ct. Op. & Verdict at 4.          The trial court explained that the facts in
    Greenfield significantly differ from the present facts. 
    Id.
     The court further
    found Hirsch, the case relied upon by Landlord in its trial brief, to be more
    akin to the present facts. 
    Id.
    Initially, Borough’s contention that Tarnowski’s testimony proves that
    the building could not be used for public purposes is not supported by the
    record. Tarnowski testified that “the building condition certainly could lead to
    continued mold problems if they weren’t remediated.” N.T., 10/4/16, at
    130 (emphasis added).10 Thus, the premise for the Borough’s position that it
    was justified in invoking the impossibility of performance doctrine lacks record
    support.11
    Even if impracticability of performance had occurred, Borough “waived
    the difficulty” by continuing with the lease.        See Hart, 
    884 A.2d at 335
    .
    ____________________________________________
    10 Borough claims that Tarnowski testified that there was a strong likelihood
    that due to the leased building’s construction, the mold therein would be
    difficult, if not impossible, to eradicate. See Borough’s Brief at 24-25. We
    have thoroughly reviewed Tarnowski’s testimony and we cannot find this
    contention in the record.         See generally N.T., 10/4/16, at 117-158
    (Testimony of Tarnowski). Further, Borough has failed to cite to the relevant
    pages in the record where this testimony can be found.
    11 We observe that Borough’s proposition that presence of mold in the building
    is equal to a fire destroying the building is unconvincing. Unlike a fire that
    destroys a building and renders it completely unusable, mold can be
    remediated.      See generally Dep. of Kevin Telfer (discussing mold
    remediation); N.T., 10/4/16, at 117-158 (Testimony of Tarnowski) (same).
    Thus, it follows that because mold did not render the building destroyed or
    beyond repair and restoration, paragraph 23 of the lease is inapplicable.
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    J-A11022-18
    Borough first tested the building for mold on March 13, 2013, approximately
    three months after the signing of the lease, and the building tested positive
    for mold. See id. at 98. Borough did not notify Landlord of the results. Id.
    at 99. Borough conducted a second testing for mold in July of 2013, which
    again tested positive for mold. Id. Borough conducted a third testing for
    mold in August of 2013, which also revealed mold.       Id.   Borough did not
    terminate the lease after receiving the results of any of the three tests.
    Moreover, Borough did not notify Landlord of the results of these tests. It was
    not until the end of August of 2013 that Borough contacted Landlord regarding
    the mold issue, and not until December 31, 2013 that it terminated the lease
    agreement. See id. at 107; Ltr. Terminating Lease, 11/6/13. For all of the
    foregoing reasons, we conclude the trial court did not abuse its discretion in
    finding that the presence of mold did not entitle Borough to terminate the
    lease. See Hart, 
    884 A.2d at
    335 (citing Restatement (Second) of Contracts
    § 261).
    C. Notice of remediation
    In its last issue, Borough argues that under the lease agreement that
    Landlord drafted,12 Landlord was obligated to remediate the situation and
    notify Borough. Borough’s Brief at 27. Borough argues that while Landlord
    ____________________________________________
    12In her reply brief, Landlord argues that this contention was never raised or
    established at trial. Landlord’s Reply Brief at 11. Further, Landlord argues
    that the statement is “factually inaccurate in that both parties were
    represented by counsel at the time the lease was negotiated between the
    parties.” Id.
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    J-A11022-18
    fulfilled her obligation to remediate, she failed to notify Borough.                  Id.
    Moreover, Borough contends that because it had given notice to Landlord of
    its intent to terminate the lease effective December 31, 2013, Landlord should
    have notified Borough of the remediation “given the fact that [the] lease term
    was still in place.”      Id.   Finally, Borough claims that Landlord, “despite
    knowing the intended use of the building and that she was responsible for all
    casualties occurring within it[,] refused and failed to meet her duty under this
    contract   to   provide    [Borough]   with     .   .   .   premises   that   would   be
    environmentally suitable for use as a public facility.” Id. at 28. Therefore,
    Borough continues, “[h]er failure to do so effectively nullified the lease with
    [Borough].” Id.
    Pennsylvania Rule of Appellate Procedure 2119(a) provides that “[t]he
    argument shall [have] such discussion and citation of authorities as are
    deemed pertinent.” Pa.R.A.P. 2119(a) (emphasis added). Failure to include
    citations to relevant authority constitutes waiver of this issue on appeal.
    Giant Food Stores, LLC v. THF Silver Spring Development, L.P., 
    959 A.2d 438
    , 444 (Pa. Super. 2008) (citation omitted).
    Borough’s argument on this issue consists of two lengthy paragraphs.
    Borough, however, includes absolutely no citation to relevant case law or rules
    in support of its position that Landlord was under a duty to notify Borough
    that the remediation had been successfully completed. In fact, Borough has
    included one citation to paragraph 23 of the lease, which does not discuss
    notice after mold remediation. Accordingly, we find this issue waived.
    - 22 -
    J-A11022-18
    In any event, as we discussed above, paragraph 23 of the lease is
    inapplicable to the situation where the building requires mold remediation.
    Moreover, paragraph 23 of the lease makes no mention of a requirement that
    Landlord give notice to Borough after mold remediation has been performed.
    See Lease, 12/21/12, at ¶ 23.
    II.   Landlord’s Appeal
    Landlord raises the following questions on appeal:
    1. Did the trial court err when it failed to grant [Landlord]’s motion
    for JNOV or in the alternative a new trial limited to damages
    only when the trial court inappropriately calculated the
    damages due [Landlord] by failing to place her in as good a
    position as she would have been but for the breach of contract
    by the [Borough]?
    2. Did the trial court err as a matter of law in failing to grant
    prejudgment interest to [Landlord]?
    Landlord’s Brief at 6 (full capitalization omitted).
    A. Calculation of damages
    In support of Landlord’s first issue, she argues that the lease was for a
    duration of five years and that Borough failed to make any payments after the
    first year. Id. at 20. Landlord claims that she is entitled to the full amount
    of rent owed under the lease because that would put her in the same position
    as she would have been but for the breach of contract. Id. She claims the
    trial court erred because it “deviated from existing law and utilized
    [Landlord]’s testimony regarding her attempts to mitigate her damages to
    engage in a quantum meruit analysis of the fair rental value for the property.”
    - 23 -
    J-A11022-18
    Id. at 20-21. Landlord further claims that “[w]hen the parties explicitly agree
    and contract for a monthly rental it is beyond the province of the trial court to
    set aside such an agreement and engage in a quantum meruit analysis for fair
    rental.”   Id. at 22.   Landlord contends that the proper award or damages
    would be $239,760, which represents forty-eight months at $4,995 per
    month.     Id. at 23.   Finally, Landlord argues that the trial court erred in
    depriving her of rent during the time she was remediating and repairing the
    property because Borough had already engaged in conduct constituting
    anticipatory breach. Id. at 24.
    The Pennsylvania Supreme Court has discussed the damages prong of
    the breach of contract analysis as follows:
    Where one party to a contract, without any legal justification,
    breaches the contract, the other party is entitled to recover,
    unless the contract provided otherwise, whatever damages he [or
    she] suffered, provided (1) they were such as would naturally and
    ordinarily result from the breach, or (2) they were reasonably
    foreseeable and within the contemplation of the parties at the time
    they made the contract, and (3) they can be proved with
    reasonable certainty.
    Ferrer v. Trustees of the Univ. of Pennsylvania, 
    825 A.2d 591
    , 610 (Pa.
    2002) (internal quotation marks and citation omitted).       “A damage award
    should place the non-breaching party as nearly as possible in the same
    position [it] would have occupied had there been no breach.” Gamesa, 181
    A.3d at 1194 (internal quotation marks and citation omitted).
    Here, the lease agreement provides as follows:
    27. MITIGATION
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    J-A11022-18
    Not[]withstanding any term previously set forth herein, the
    parties agree that in the event Tenant’s reasonably accepted
    use(s) for the premises do not meet with meaningful success as
    reasonably determined by Tenant, Tenant shall not be excused
    from performance under the lease.
    Provided, however, that should Tenant vacate the premises after
    at least thirty (30) days written notice to Landlord, Landlord
    agrees to exercise reasonable commercial efforts to relet or
    and/or sell the premises. If Landlord is able to relet the premises,
    Tenant shall be entitled to a credit for rent received from
    Landlord’s new tenant less any costs actually incurred by Landlord
    in achieving the reletting of the premises.
    R.R. at 23a.
    While Landlord attempted to find other lessees, her attempts were
    unsuccessful and she did not receive any amount in mitigation of damages.
    No party has challenged the sufficiency of Landlord’s attempts to mitigate.
    Therefore, the trial court erred as a matter of law when, in its calculation of
    damages, it presumptively decreased the amount of damages Landlord was
    entitled to by applying the amount she could have made had she, in fact,
    actually relet the premises. Indeed, the trial court cited no legal authority for
    doing so. See Trial Ct. Op. & Verdict at 5-6. We therefore remand for the
    trial court to conduct a hearing limited to recalculation of damages based on
    the existing record.
    B. Prejudgment interest
    In her second issue, Landlord argues that the trial court erred in not
    granting her pre-judgment interest. Landlord’s Brief at 24-25. She relies on
    TruServ v. Morgan Tool & Supply Co., 
    39 A.3d 253
     (Pa. 2012), in support
    of her argument that “when a party’s right to the payment of interest is not
    - 25 -
    J-A11022-18
    specifically addressed by the terms of the contract, the non[-]breaching party
    to a contract may recover, as damages, interest on the amount due under
    the contract.”   Landlord’s Brief at 25 (citing TruServ, 39 A.3d at 263).
    Landlord argues that Pennsylvania, through TruServ, adopted Section 354 of
    the Restatement (Second) of Contracts, which states that “an award of
    prejudgment interest under Section 354 is not subject to a court’s discretion.”
    Id. (citing TruServ, 39 A.3d at 263-64). Landlord claims that “[t]he statutory
    rate of interest in Pennsylvania is six percent (6%) per anuum. Id. (citing 41
    P.S. § 202). Thus, Landlord claims, because Borough “repudiated the lease
    contract at the conclusion of 2013, [Landlord] is entitled to prejudgment
    interest on all sums due her from the outset of 2014 through the date of
    verdict.” Id.
    We review a denial for pre-judgment interest for an abuse of discretion.
    See Cresci Const. Servs., Inc. v. Martin, 
    64 A.3d 254
    , 258 (Pa. Super.
    2013) (citation omitted).
    We have explained that “[a] court has discretion to award or not award
    prejudgment interest on some claims, but must or must not award
    prejudgment interest on others.” 
    Id.
     (citing Fidelity Bank v. Com. Marine
    and Gen. Assurance Co., 
    592 F. Supp. 513
    , 522 (E.D. Pa. 1984)). Section
    354 of the Restatement (Second) of Contracts provides:
    (1) If the breach consists of a failure to pay a definite sum in
    money or to render a performance with fixed or ascertainable
    monetary value, interest is recoverable from the time for
    - 26 -
    J-A11022-18
    performance on the amount due less all deductions to which the
    party in breach is entitled.
    (2) In any other case, such interest may be allowed as justice
    requires on the amount that would have been just compensation
    had it been paid when performance was due.
    Cresci, 
    64 A.3d at
    259 (citing Restatement (Second) of Contracts § 354(1)-
    (2) (1981)). Thus, “before awarding prejudgment interest, the court must
    identify the nature of the breach.” Id.
    We further explained that:
    Section 337(a) of the Restatement (First) of Contracts provides:
    If the parties have not by contract determined otherwise, simple
    interest at the statutory legal rate is recoverable as damages for
    breach of contract as follows:
    (a) Where the defendant commits a breach of a contract to
    pay a definite sum of money, or to render a performance
    the value of which in money is stated in the contract or is
    ascertainable by mathematical calculation from a standard
    fixed in the contract or from established market prices of
    the subject matter, interest is allowed on the amount of the
    debt or money value from the time performance was due,
    after making all the deductions to which the defendant may
    be entitled.
    Id. at 258 (citing Restatement (First) of Contracts § 337(a)).13
    Under this standard, recovery of pre-judgment interest is a matter of
    law, not of discretion. Id. Therefore, in Pennsylvania, pre-judgment interest
    ____________________________________________
    13 “Restatement [(First)] of Contracts § 337(a) (1932) is currently found at
    Restatement (Second) of Contracts § 354(1) (1981).” Cresci, 
    64 A.3d at 260
    (alteration in original omitted).
    - 27 -
    J-A11022-18
    may be recovered only if:
    (1) a defendant commits a breach of a contract to pay a definite
    sum of money; or
    (2) a defendant commits a breach of contract to render a
    performance the value of which in money is stated in the contract;
    or
    (3) a defendant commits a breach of contract to render a
    performance the value of which is ascertainable by mathematical
    calculation from a standard fixed in the contract; or
    (4) a defendant commits a breach of a contract to render a
    performance the value of which in money is ascertainable from
    established market prices of the subject matter[.]
    
    Id.
     (emphasis omitted).
    Otherwise, pre-judgment interest is awarded at the court’s discretion:
    d. Discretionary in other cases. Damages for breach of contract
    include not only the value of the promised performance but also
    compensation for consequential loss. The amount to be awarded
    for such loss is often very difficult to estimate in advance of trial
    and cannot be determined by the party in breach with sufficient
    certainty to enable him to make a proper tender. In such cases,
    the award of interest is left to judicial discretion, under the rule
    stated in Subsection (2), in the light of all the circumstances,
    including any deficiencies in the performance of the injured party
    and any unreasonableness in the demands made by him.
    Restatement (Second) of Contracts § 354 cmt. d.
    Here, the contract provided for a specified amount – $59,940 annual
    rent, payable in monthly installments of $4,995, plus all real estate taxes,
    insurance, utilities, and any and all maintenance, upkeep, and repairs. See
    Trial Ct. Op. & Verdict at 1. Because Borough breached the lease agreement
    to pay a definite sum of money, Landlord was entitled to pre-judgment interest
    as a matter of law. See Cresci, 
    64 A.3d at 258
    ; Restatement (Second) of
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    J-A11022-18
    Contracts § 337(a). Therefore, we conclude that the trial court erred in not
    awarding Landlord pre-judgment interest.
    Accordingly, we remand with instructions to conduct a hearing limited
    to recalculation of damages based on the existing record and to award pre-
    judgment interest. Based on this record, no new trial on damages is required.
    Judgment is vacated.     Order denying Landlord’s post-trial motion is
    affirmed in part and reversed in part.      Order denying Borough’s post-trial
    motion is affirmed. Remanded with instructions. Jurisdiction relinquished.
    Judgment Entered.
    Joseph D. Seletyn, Esq.
    Prothonotary
    Date: 8/13/18
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