In ProData Computer Services, Inc. v. Ponec, what did the court rule was the appropriate burden of proof in connection with the awarding of a constructive trust? Question 1 options: a) The plaintiff must prove by a preponderance of the evidence that a constructive trust should be awarded. b) The plaintiff must prove by clear and convincing evidence that a constructive trust should be awarded. c) The defendant must prove by a preponderance of the evidence that a constructive trust should not be awarded. d) The defendant must prove by clear and convincing evidence that a constructive trust should not be awarded