An adult, contracts with Communiserve to purchase, in installments over a period of five years, a very large quantity of services that he will probably never need. Although Gerard understands what he is doing when he enters the contract, he has a mental condition that impairs his ability to act in a reasonable and rational way. Under the Restatement:a. Gerard’s contract is voidable at his option while it is entirely executory. b. Gerard cannot avoid the contract if Communiserve has no reason to suspect Gerard’s incompetency. c. Gerard cannot avoid the contract if the terms are fair. d. Gerard can only avoid the contract if the terms are grossly unfair.63. In most states, whether the time within which a minor disaffirms a contract constitutes a reasonable time is determined by: