Which of the following statements concerning the effectiveness of an offeree's rejections and an offeror's revocation of an offer are ordinarily true?
An Offeree's Rejection is Effective When An Offereor's Revocation is Effective When
a. Received by the offeror Sent by the offeror
b. Sent by the offeree Received by the offeree
c. Sent by the offeree Sent by the offeror
d. Received by the offeror Received by the offeree
Answer: B