Freddie's auto repair shop fixed Kate's car. Freddie told Kate that the fee was $500. Kate said that the amount was unreasonable. They never agreed to a price before the work was done. Kate left her car with Freddie. At night, Kate came back to the garage with an extra set of keys and took the car. She left a check for $300 and wrote on it payment for full for the work you performed on the car today. The next day Freddie deposited the check and sued Kate for the excess. Who wins