Assume Harvey Buys a Bull from Mike for the Purpose

Multiple Choice

Assume Harvey buys a bull from Mike for the purpose of breeding, and Mike was aware of Harvey's purpose in purchasing the bull. Later, the bull was discovered to be sterile, although at the time of sale both Harvey and Mike believed the bull was not sterile. The contract is:

A) voidable based on fraud.
B) voidable based on misrepresentation.
C) voidable based on bilateral mistake.
D) voidable based on economic duress.