problem: I will pay you $40,000 today, $15000 at the end of each of the next 3 years [1st payment of $15,000 is at the end of year 1], & then $38,000 at the end of the last year. The interest rate is 6.0 percent per year.
[A] find out the present value of this cash stream?
[B] find out the future value of this cash stream on the date of the last payment suppose all the payments are invested?