Oliver Signs an Instrument That States It Is Being Executed

Multiple Choice

Oliver signs an instrument that states it is being executed "as per a contract for the sale of a case of apples dated May 1." This instrument is

A) ​negotiable.
B) ​not negotiable, because banks cannot easily process commodities.
C) ​not negotiable, because it includes the specific date of a contract.
D) ​not negotiable, because it refers to an express contract.