Negotiable Instruments Law: Choose the CORRECT answer and EXPLAIN.

23. Which of the following instruments is not negotiable for the reason that the instrument is not payable at a determinable future time 24. An instrument is considered payable on demand: a) "On the death of X, I promise to pay to the order of B P1,000.00. a) When no time of payment is expressed. b) When payable to order Sgd."A" c) When the last endorsement is in blank. b) "On or before October 30, 2009, I promise to pay B or his order d) When the last endorsement is restricted P1,000.00. Sgd."A" 25. When there are three (3) parties, the drawer, the payee and c) "Sixty days after sight, I promise to pay to the order of B the drawee, the instrument is a: P1,000.00. a) Promissory note Sgd."A" b) Certificate of indebtedness d) "Ten days before the death of X, I promise to pay B or his c) Bank Check order P1,000,00. d) Bill of exchange Sgd."A"