18.Scott made an offer to sell his car to Amrit, promising to keep the offer open for a week. However, he changed his mind, and before cancelling the offer, he sold the car to someone else, and phoned Amrit to inform him that he was withdrawing the offer because he had sold the car to someone else. Amrit was angry and said that he wanted the car and was going to hold Scott to his promise to hold the offer open for a week. He sued for breach of contract. Will he win? Explain.

19.Nima saw Shaheed in his classic Buick at a local drive-in restaurant, and told Shaheed that he'd like to buy the car. He offered Shaheed $1500. Shaheed said he had to think about it and that he'd let Nima know. Two days later, Shaheed decided that he needed the money and couldn't afford to keep the car. He wrote Nima a letter accepting the offer and mailed it that afternoon. The next day, Nima phoned Shaheed, saying that he'd changed his mind and that he needed the money for something else. Shaheed told Nima about the letter, and in fact Nima received the letter later that day. Shaheed insisted on going through with the deal. Explain the legal liability of the parties.

20.Tan Tan, who lives two blocks away from Langara, in Vancouver, needed money for a trip to Shenzen. She decided to sell her electric guitar. On Monday, October 29, she called the owner of a music store in Vancouver, Tom Lee Music Co. Ltd. and offered to sell her guitar for $400, the offer to be open until Friday at noon, November 2. Tan Tan told the store owner to send a letter of acceptance since Tan Tan would be away for a few days. The store owner examined his inventory and mailed a letter of acceptance on Thursday, November 1. When Tan Tan returned home on Saturday, November 3, the letter had not yet arrived, so that afternoon she sold the guitar to Carter, a music teacher in her town. The store owner in Vancouver sued her for breach of contract.Explain the legal the outcome of this lawsuit and why?