Solve questions no.9 and 10, and show a clear and readable solution. Note: The answer is given on the bottom side of each number, just show the solution on how to get it. Thanks!!!

9. A woman borrowed P3,000 to be paid after 1 1/2 years with interest at 12% compounded semiannually and P5,000 to be paid after 3 years at 12% compounded monthly. What single payment must she pay after 3 1/2 years at an interest rate of 16% compounded quarterly to settle the two obligations? Ans. P12, 627.59 10. Mr. J. de la Cruz borrowed money from a bank. He received from the bank P1,342 and promise to repay P1,500 at the end of 9 months, Determine the simple interest rate and the corresponding discount rate or often referred to as the "Banker's discount.' Ans. 11.7%, 10.53%