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Il. Solve the following problems. 1. A man obtained a mortgage of P800,000.00. if his monthly payment is P7,895.75, find the total amount of interest he paid for a 20-year period. 2. Mr. Cruz purchased a property for P1,200,000 he made a 10% down payment and obtained a 10-year mortgage on the balance. If the monthly payment for his mortgage is P15,995.00. Find the total amount of interest he paid over the 10 years period. 3. Mr. Roque obtains a loan of P60,000.00 to be paid by equal payments at the end of each 3months for 3 years at 8% compounded quarterly. How much is his periodic payment and the total amount of interest he will pay for the loan? 4. a loan of P80,000.00 will be amortized quarterly for 2 years at 8% compounded quarterly. Find the periodic payment and the total amount of interest to be paid for the loan. E