Year Cash Flow 1 $970 234 1,200 1,420 2,160 a. If the discount rate is 7 percent, what is the future value of these cash flows in Year 4? (Do not round intermediate calculations and round your answer to 2 decimal places, e.g., 32.16.) b. If the discount rate is 13 percent, what is the future value of these cash flows in Year 4? (Do not round intermediate calculations and round your answer to 2 decimal places, e.g., 32.16.) c. If the discount rate is 22 percent, what is the future value of these cash flows in Year 4? (Do not round intermediate calculations and round your answer to 2 decimal places, e.g., 32.16.) a. Future value at 7% b. Future value at 13% c. Future value at 22%