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MATCHED EXERCISES: 5.2.1 Calculate the future value of P25,000 earning 6.25% interest compounded monthly for 2 years. 5.2.2 How much money should be invested in an account that earns 4.5% interest compounded monthly in order to have P80,000 in 3.5 years? 5.2.3 In matched exercise 5.2.2, what is the discount factor used? 5.2.4 A couple wishes to accumulate P1,500,000 in a college fund for their son who is now celebrating his 7" birthday. They want the money to be available to him on his 18" birthday, and they are prepared to make equal annual contributions starting now and every birthday until their son's 17" birthday. The fund has an annual interest rate of 5% compounded annually. How large should be the couple's annual contributions be