Which of the following elements must be established to create an implied-in-fact contract?
Multiple Choice
O The plaintiff made the defendant sign the contract and then changed its terms, identifying the new terms as "retroactively Implied."
O Neither discussion nor conduct occurred by the parties.
O The defendant accepted the plaintiff's property or services as payment for an illegal activity.
O The plaintiff provided property or services to the defendant gratuitously.
O The defendant was given an opportunity to reject the plaintiff's property or services but failed to do so.