1. Find the future value of the following cash flow streams; the interest rate is 7 percent per year, compounded annually: a. $300 is invested at the beginning of each year for the next 5 years. The proceeds are withdrawn five years from now. b. $300 is invested each year, starting today and continuing through year 8 , when the proceeds are withdrawn. c. $300 is invested each year, beginning one year frodm now and continuing through year 5 . The proceeds are withdrawn in year 7. d. $300 is invested 3,4 and 5 years from now. The proceeds are withdrawn in year eight