Which of the following statements is true? O l offer $50 for the return of my lost cat. Mark calls to get more of a description. A contract is formed when he calls and says he is going to look. If my neighbor cuts my grass for me without my knowing about it, we have a contract for the value of the service rendered. An offer is effective as soon as it is dispatched. O Promises to give gifts (includes contributions, pledges, donations, etc.) are never legally enforceable. None of the above statements is true