Problem (5) Calculating Present Value. Brenda Young desires to have $20,000 eight years from now for her daughter's college fund. If she will earn 4 percent (compounded annually) on her money what amount should she deposit now? Use the present value of a single amount calculation. Problem (6) Computing Future Value of Annual Deposits. What amount would you have if you deposited $2,500 a year for 30 years at 8 percent (compounded annually)