McCann Company has identified an investment project with the following cash flows. Year 1 2 3 4 Cash Flow $ 900 1,000 1,240 1,120 a. If the discount rate is 10 percent, what is the present value of these cash flows? Present value at 10 percent b. What is the present value at 17 percent? Present value at 17 percent c. What is the present value at 27 percent? Present value at 27 percent