In a unilateral contract, the offeror ____.

Select one:

a.

Must accept the promise extended by the offeree to create the contract

b.

Can revoke the offer at any point of time after performance

c.

Will treat either a promise to perform or the actual performance of the act as acceptance of his or her offer

d.

Cannot revoke the offer once the offeree has begun performance or has substantially completed performance of the act