Hong agrees to sell her car to Flora for $5000. They plan to make the exchange in 3 days. That night a tornado destroys Hong's car. If the subject matter of an offer is destroyed, the offer________ immediately terminates is voidable becomes the subject of an option contract applies to other similar property owned by the offeror is still subject to acceptance by the offeree unless the offeror revokes the offer before the offeree accepts it