Do each of the following exercises: 1. On April 15, 2015, Justin borrowed P1.4M. He agreed to pay the principal and interest at 8% compounded semi-annually on Oct 15, 2020. How much will he pay then? (Note: If day of origin date and maturity date are the same, you should count in months or years not in days) 2. Sheila borrowed money from a bank which charges interest at 10% compounited quarterly. She agreed to pay the principal and interest in 36 equal payments of P7000 at the of every quarter. How much did Sheila borrow? 3. Three friends buy a second hand equipment that cost P120,000. They gave a P40,000 down payment and agree to settle the balance in 24 monthly payments. If interest rate is 6% converted monthly, find the payment due at the end of each month