Jerry Lee Was a Professional Singer

Jerry Lee was a professional singer.He entered into a contract to sing at a concert sponsored by ABC Co.He also entered into a contract to sell his house to Mary.Before either contract could be performed,Jerry dies.Both ABC and Mary sue for breach of contract.What results?

A) Jerry's estate wins; both contracts are unenforceable because of Jerry's death.
B) Both ABC and Mary win; both contracts are fully enforceable.
C) Mary wins,but ABC loses; Jerry's death has made ABC's contract,but not Mary's,impossible to perform.
D) ABC wins,but Mary loses; Jerry's death has made Mary's contract,but not ABC's,impossible to perform.