1.Find the present value of an ordinary annuity whose semiannual deposit is Php 12,000.00 at 5% compounded semiannually for 5 years

2. Erika deposits Php 1000.00 at the end of every three months in an account that pays 3% compounded quarterly. Determine the amount in the account be after 5 years?

10. Mark purchased a cellphone via installment payment that charges 6% interest compounded monthly. He agrees to pay Php 1,500.00 every beginning of the month for two years. What is the cash price of the cellphone?