Bart wants to sell his house. He hires Lisa to broker the sale of the house and he sets a purchase price for the house of $400,000. Lisa is to get a 6% commission. Lisa puts advertisements in the newspaper and uses other avenues to find a buyer. Eventually, Lisa puts Bart in contact with Apu, who contracts to buy Bart's house for $400,000. However, before the closing, Apu moves to India and fails to go through with the contract. Lisa sues Bart for $24,000. Under the traditional rule, can she recover?