This is a business law question PLEASE I really need HELP !!! PLEASE answer ALL questions!!!! THANK YOU.

An exception to the preexisting duty rule is O unforeseen circumstances O a bad bargain by the offeree O new work requested by the offeree O a money shortage by the offeror O promissory estoppel In a(n) _____ contract, one party's consideration is a promise and the other party's consideration is an act. O preexisting duty O bilateral O illusory O quasi- O unilateral Jerome, age 25, agrees to give up drinking alcohol for 1 year in exchange for receiving his cousin's car at the end of that year. What do courts say about forbearance, like Jerome giving up his right to drink alcohol? a detriment to the promisee constitutes valid consideration, but a benefit to the promisor does not constitute valid consideration a benefit to the promisor constitutes valid consideration, but a detriment to the promisee does not constitute valid consideration forbearance is sufficient consideration for a valid and enforceable contract forbearance does not satisfy the consideration requirement for a valid and enforceable contract forbearance is not enough to enforce an otherwise valid, bargained-for exchange