When one party performs an action to the benefit of the other, even if a contract has not been effectively made, a court may rule that the performing party was entitled to recoup the reasonable value of the services rendered under:

A) an express contract.
B) quantum meruit.
C) promissory estoppel.
D) Article 2 of the UCC.

Quantum Meruit

Quantum meruit is a legal principle allowing a party to recover the reasonable value of services provided, even in the absence of a formal contract.

Promissory Estoppel

A legal doctrine preventing a person from going back on a promise, even if it was made without formal consideration, when others have relied on that promise to their detriment.