According to the main purpose doctrine, $\_\_\_\_\_.$

Group of answer choices

there should be a systematic and uniform conduct in which parties engage after they enter into a contract

there should be a pattern of behavior between parties showing how they intend their relationship to work

a promise to pay the debt of another need not be writing to be enforceable if the promisor was motivated by a desire for advantage or benefit

the Statute of Frauds dispenses with a writing requirement when one party performs his or her part of the contract