Vic, аn аctоr strаight оut оf drama school, and Christine, an agent, entered into a one-year written contract that described the services Christine would provide. Because he was eager for work, Vic agreed, in the contract, to pay Christine 15% of his yearly earnings. At the end of the year, Vic was so pleased with his many roles that he gave Christine 20% of his earnings. After the first contract had expired, Vic and Christine decided to continue working together. They photocopied their old contract, changed the date, and signed it. At the end of the year, a dispute arose as to what percentage of earnings Vic owed. It is a trade practice in the acting profession for actors to pay their agents 10% of their yearly earnings, payable at the end of the year.What percentage of Vic’s earnings is a court most likely to award Christine?