PROBLEM SOLVING: Solve and show complete solutions. (70 points) 1. A loan of P12, 500 is to be repaid with equal quarterly payments for one year with an interest of 69 compounded quarterly. Find the quarterly payment and construct an amortization schedule (15 points) 2. Semi-annual payments of P1 350 each are used to repay a loan for 3 years at 5% compounded semiannually. Find the amount of the loan and construct the first four rows of the amortization table. (15 points) 3. An obligation of P35, 000 is to be repaid with equal monthly payments for 6 months with an interest of 15% compounded monthly Find the monthly payment and construct an amortization schedule (20 points) 4. Mr. Santos will deposit P10,000 at the ABC bank at the end of each quarter for 2 years. If the bank gives out 99 compounded quarterly, find the amount to his credit just after the last deposit? (10 points) 5. What monthly payment into a sinking fund at 8% compounded semi-annually will be needed to raise P50, 200 at the end of 2 years and 6 months? (10 points)