Harry promised to sell his guitar to Harriet, who promised to pay him $1,000. After Harriet tendered payment, Harry reneged on his promise, so Harriet filed suit. Which of the following is true?
A. The consideration for Harry’s promise is both a legal detriment to Harriet and a legal benefit to Harry.
B. In a bilateral contract, each party is bound only if each receives a legal benefit and incurs a legal detriment.
C. Harriet cannot enforce Harry’s promise because she neither incurred a legal detriment nor received a legal benefit.
D. This contract is unilateral, so only Harry is bound.