Rainey Signs a Promissory Note for $10,000 in Favor of State

Multiple Choice

Rainey signs a promissory note for $10,000 in favor of State University (SU) .The note is undated but specifies that it is "payable one month after date." This note is

A) negotiable.
B) nonnegotiable,because one month is not a reasonable time.
C) nonnegotiable,because there is no option to pay early.
D) nonnegotiable,because the maturity date cannot be deter?mined from the face of the instrument.