Problem 5-3 Calculating Discounted Payback An investment project has annual cash inflows of $4,400,$3,900,$5,100, and $4,300, for the next four years, respectively. The discount rate is 14 percent. a. What is the discounted payback period for these cash flows if the initial cost is $5,700 ? (Do not round intermediate calculations and round your answer to 2 decimal places, e.g. 32.16.) b. What is the discounted payback period for these cash flows if the initial cost is $7,800 ? (Do not round intermediate calculations and round your answer to 2 decimal places, e.g., 32.16.) c. What is the discounted payback period for these cash flows if the initial cost is $10,800 ? (Do not round intermediate calculations and round your answer to 2 decimal places, e.g., 32.16.)