A parent"s promise to pay one child $500 because that child is not as wealthy as the child"s sibling.错在无EXCHANGE?
但
A promise to pay the police $250 to catch a thief. | ||
d. | A person"s promise to pay a real estate agent $1,000 in return for the real estate agent"s earlier act of not charging commission for selling the person"s house.错在何处 |