What is "parol evidence" in the contracts context?Group of answer choices-Credible evidence provided by a competent witness at trial concerning the execution of a contract for the sale of goods.-Evidence proving that an agreement existed even though the parties failed to memorialize their contract terms in writing.-Proof from a competent source that an individual on parole has not violated the terms of the parole.-Evidence of agreements or promises outside of the written contract made prior to or at the same time as the execution of a written contract