Present Value The present value of F dollars at interest rate r % compounded annuall...

Present Value The present value of F dollars at interest rate r % compounded annually for n years is the amount of money that must be invested now in order to have F dollars (called the future value) in n years where the interest rate is r %. The formula for present value is

Write a program that calculates the present value of an investment after the user gives the future value, interest rate, and number of years. Figure 3.30 shows that at 4 % interest, $7,903.15 must be invested now in order to have $10,000 after 6 years.