Which one of the following statement is true?
(a) Offer and acceptance are revocable
(b) Offer and acceptance are irrevocable
(c) An offer can be revoked but acceptance cannot
(d) An offer cannot be revoked but acceptance can be revoked.
(a) Offer and acceptance are revocable
(b) Offer and acceptance are irrevocable
(c) An offer can be revoked but acceptance cannot
(d) An offer cannot be revoked but acceptance can be revoked.