Communication of offer is complete when
(a) The letter is posted to the offeree
(b) The letter is received by the offeree
(c) The offer is accepted by the person to whom it is made
(d) It comes to the knowledge of the offeror that the letter has been received by the offeree
(a) The letter is posted to the offeree
(b) The letter is received by the offeree
(c) The offer is accepted by the person to whom it is made
(d) It comes to the knowledge of the offeror that the letter has been received by the offeree