B9. (Value of cash flows at various points in time) You expect to receive the following future cash flows at the end of the years indicated: -$1,500 in year 0, $1,300 in year 2, $600 in year 3, and $1,700 in year 4. If the discount rate is 9% per year, What is the present value of all four expected future cash flows? b. What is the value of the four flows at year 4? c. What is the value of the four flows at year 1? a