Answer:
d. an offer and an acceptance.
Explanation:
A contract exists where each involved party agrees to fulfill its obligations as per the terms of the agreement. The two or more parties involved are in consensus regarding the subject matter. Â A contract valid and in force, once the offeror makes the offer, and the offeree accepts it. Â
Steel and mike are in are contract. Mike has accepted the offer by steel. Other elements that must be present for a contract to be valid are the existence of consideration, mutual obligations, and the ability to fulfill one's responsibility.