QUESTION $($i$)$

If parties enter into a contract but one or both of the parties can choose not to perform their contractual obligations, the contract lacks consideration.

An illusory contract is

ANSWER

one that a party has to perform only if he or she chooses to do so

a prior act or performance

a duty that a person is already under an obligation to do

a promise to refrain from doing an illegal act

I DON'T KNOWYET