"We review for correctness the trial court's conclusion that the evidence established a prima facie case," and thus, warrants submission to the jury. State v. Kihlstrom, 1999 UT App 289, ¶ 8, 988 P.2d 949, cert. denied, 4 P.3d 1289 (Utah 2000). Further, "'[w]e will reverse a jury verdict only when . . . we find that "the evidence to support the verdict was completely lacking or was so slight and unconvincing as to make the verdict plainly unreasonable and unjust.