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4. If you invest P8,000 per period for the following number of periods, how much would you have a. 7 years at 9 percent? b. 40 years at 1 1 percent? 5. Mrs. Perez will receive P6,500 a year for the next 14 years from her trust. If an 8 percent interest rate is applied, what is the current value of the future payments? 6. If you owe P30,000 payable at the end of five years, what amount should your creditor accept in payment immediately if she could earn 1 1 percent on her money? 7. Mr. Castro retired as president of the Color Tile Company but is currently on a consulting contract for P45,000 per year for the next 10 years. a. If Mr. Castro's opportunity cost (potential return) is 10 percent, what is the present value of his consulting contract? b. Assuming that Mr. Castro will not retire for two more years and will not start to receive his 10 payments until the end of the third year, what would be the value of his deferred annuity? 8. You need P23,956 at the end of nine years, and your only investment outlet is a 7 percent long-term certificate of deposit (compounded annually). With the certificate of deposit, you make an initial investment at the beginning of the first year. a. What single payment could be made at the beginning of the first year to achieve this objective? b . What amount could pay at the end of each year annually for nine years to achieve this same objective? 9. Martha has been depositing P1,500 in her savings account every December since 2002. Her account earns 6 percent compounded annually. How much will she have in December of 201 1? (Assume that a deposit is made in 201 1. Make sure to count the years carefully.) 10. At a growth (interest) rate of 8 percent annually, how long will it take for a sum to double? To triple? Select the year that is closest to the correct