answer problem completely

Fox Co. has identified an investment project with the following cash flows. a. If the discount rate is 12 percent, what is the present value of these cash flows? (Do not round intermediate calculations and round your answer to 2 decimal places, e.g. 32.16.) b. What is the present value at 15 percent? (Do not round intermediate calculations and round your answer to 2 decimal places, e.g., 32.16.) c. What is the present value at 21 percent? (Do not round intermediate caiculations and round your answer to 2 decimal places, e.g., 32.16.)