McCann Company has identified an investment project with the following cash flows. Year 1 2 3 4 Cash Flow $ 850 1,070 1,330 1,200 a. If the discount rate is 8 percent, what is the present value of these cash flows? Present value at 8 percent b. What is the present value at 17 percent? Present value at 17 percent C. What is the present value at 28 percent