3 3 out of Electronic contracts are not enforceable. Select one: O True False Which of the following is false? O a. An existing duty is not consideration. Ob. A gratuitous promise is an enforceable contract. O c. Past consideration is not consideration. O d. Unilateral offers cannot be revoked once performance has began. O e. Consideration typically must flow both ways. Clear my choice What is NOT an element of a contract? O a. consensus O b. intention 2