On May 15, 2019, Eve bought the instrument below from the Beta Corporation for $1.700. Eve paid for the instrument with a check. Eve knew that Alpha, Inc. disputed its liability on the instrument because of Beta's alleged breach of the computer purchase contract referred to on the face of the instrument. On May 20, 2019, First National Bank bought the instrument from Eve for $1,900. First National Bank did not know that Alpha disputed its liability. On the back of the instrument is the indorsement, "Pay to the order of First National Bank, without recourse [signed] Eve". *** May 1, 2019 Alpha, Inc. promises to pay to Beta Corp., or bearer, $2,000, on June 1, 2021, with interest at the rate of five (5%) percent per year. Alpha may elect to extend the due date to Dec. 31, 2021 Alpha, Inc. By: CD Jones C.D. Jones, President Re: computer purchase order no. 123 dated May 1, 2019 This instrument is o negotiable even though Alpha has the right to extend the due date. O non-negotiable becuase it refers to the computer purchase agreement. non-negotiable because Alphas has the right to extend the due date. negotiable because it refers to the computer purchase agreement