Bill Sells Some Old Books to Marion for a Small

Bill sells some old books to Marion for a small sum of money.A few weeks later,Marion discovers that the books are quite valuable,worth as much as $50,000.Bill seeks to rescind the contract.What is the most likely result?

A) Bill may rescind the contract because of his unilateral mistake.
B) Bill may rescind the contract because of the bilateral mistake.
C) Bill may not rescind the contract because it is a mutual mistake of value.
D) Bill may not rescind the contract because more than three days from the date of purchase have elapsed.