Trace Claims That One of the Contract Terms Is the $20

Multiple Choice

Trace claims that one of the contract terms is the $20 price per tuner.Is he correct?

A) Yes,but only if there is another writing with the $20 price per tuner.
B) Yes,because the written agreement was conditioned on the $20 per tuner oral agreement.
C) No,because the parol evidence rule prevents parties from introducing oral evidence when there is a written contract.
D) No,because he failed to include price in the writing.
E) No,because no exception applies to the parol evidence rule.