Gregor promises to buy Mitch's book for $75. With respect to this promise, Mitch is a promisor an offerant a promisee an offeror Question 32 (1 point) Listen Niska offers to sell Crow his phone and states "I'll keep the offer open until March 1. Niska may revoke the offer only after March 1, as long as Crow has not accepted by then. any time after March 1 and up to 10 days after Crow accepts. any time before Crow accepts the offer. only after Crow accepts the offer