1. shane wanted to have a recording studio custom-built in his home. he sought estimates from several contractors. rory submitted the lowest estimate. shane called rory to ascertain the quality of the materials in the estimate and to find out if he could substitute a superior brand of acoustic tiles for the same price. rory said that he would have to check into the price difference. the parties also discussed a possible start date for construction. two weeks later, shane changed his mind and decided not to go forward with his plan of building a recording studio. rory filed suit against shane for breach of contract. a. did rory's estimate meet the requirements for an offer? why or why not? b. was there an acceptance of the offer by shane? why or why not? 2. bart owned 100 shares of a stock that was actively traded on a national stock exchange. bart offered the 100 shares to any of a group of six people in a conversation at a party. the offered price was $72.50 per share, the price at which the shares had closed that day. no one really responded to the offer at that time. ten days later when the shares were trading at $76.25, marie, one of the offerees at the party, appeared at bart's office saying that she accepted the offer. bart claimed the offer no longer was available. a. did bart make a valid offer? why or why not? b. explain whether you think marie has a valid claim for breach of contract against bart.