Russell, 45, has been suffering from a mental impairment for a long time. He signs a contract to sell his villa for $1 million to Andre. When Russell's wife Katie, who is also his court-appointed guardian, gets to know of the deal, she wants to ends the contract. Which of the following statements is true? a. Andre cannot claim the villa until he has paid for it.
b. Russell has the right to enter into such a contract.
c. Katie need not worry because the contract is void.
d. The court will give primary preference to Russell's opinion.