Hypothetical # 16 read: Bob wrote an email to Sam on November 1st telling him he is interested in purchasing a 1950's hot-rod that Sam had advertised for sale online. Bob's email to Sam stated: "If I don't hear from you by November 15th, my offer will expire. " New Question 17: On November 5th, Sam spoke by telephone to Bob to confirm his acceptance of Bob's offer. Was there a contract between the two men as a result of the telephone call?The earlier hypothetical read: "Bob wrote an email to Sam on November 1st telling him he is interested in purchasing a 1950's hot-rod that Sam had advertised for sale online. Bob's email to Sam stated: "If I don't hear from you by November 15th, my offer will expire." New Question Question 18: Suppose that Sam wrote a letter to Bob accepting the offer made by Bob at the address stated in Bob's email to Sam, and that Sam sent the letter via U.S. Mail to Bob on November 10th. The letter was lost in the mail and never received by Bob. Was there a contract as a result of Sam's November 10th letter