1. Negotiable instruments are used as substitutes for money, which means a. That they can be considered legal tender. b. That when negotiated, they can be used to pay indebtedness c. That at all times the delivery of the instrument is equivalent to delivery of the case; d. That at all times negotiation of the instruments requires proper indorsement. 2. Rubie issued a check in favor of his creditor, Ren. It reads: "Pay to Ren the amount of Nine Thousand Hundred Pesos (Php900,000.00). Signed, Rubie." What amount should be construed as true in such case? a. Php 900,000.00. b. Php 900.00. c. Php 9,000.00. d. Php 900,100.00 3. Coy promissory note states, on its face: "I, Coy, promise to pay Ren the amount of P8,000.00 ten days after completion of the on-going construction of my house. Signed, Coy." Is the note negotiable? a. Yes, since it is payable at a fixed period after the occurrence of a specified event. b. No, since it is payable at a fixed period after the occurrence of an event which may not happen. c. Yes, since it is payable at a fixed period or determinable future time. d. No, since it should be payable