A offered to "B" to sell his 2008 motorcycle for $5,000. The motorcycle had never been used and cost A $21,000. B accepted. A now refuses to go through with the agreement claiming the consideration was inadequate. Should "A" be successful? Result: Reason: Sal is 22 years old. Sal's uncle, Tom, said to Sal, "I will give you $500 if you quit smoking and drinking for 6 months." Sal does. Must Tom pay Sal? Result: Reason: A and B enter into a contract whereby A will do excavating work for B and B will pay A $50,000. Halfway through the job, A verbally informed B he will need an additional $25,000 before he can complete the job. B agrees. How much does B have to pay? Result: Reason