(Note: Draw CFD first) (7-8) Compute the rate of return for the following cash flow. Year Cash Flow -S6400 1000 2000 3000 4000 (7-12) Compute the rate of return on the following invest ment. Year Cash Flow -$10,000 3,000 3,000 3,000 3,000 7-17 Compute the rate of return represented by the cash flow. Year Cash Flow -$14,000 5,000 5,500 6,000 6,500