Jill used to be Jack's lawyer. Jack and Jill had dinner and alcoholic drinks together to celebrate Jack's birthday. Jill showed Jack pictures of her new car and asked him if he wanted to buy the car for $20,000.00. He agreed with one small change. Jack wanted the car professionally cleaned before delivery. The price in the written agreement she wrote up after dinner was "$23,000.00" which price Jack paid the next day. Jack's father hired a lawyer to represent Jack and try and get his money back. Jill produced a 2nd agreement signed by Jack agreeing to arbitration of any dispute in lieu of court action of any kind. What legal issues, rules of law or defenses to the contract can you identify? What are Jack's rights? What are Jill's rights?