An investment project has annual cash inflows of $4,300, $4,000, $5,200, and $4,400, for the next four years, respectively. The discount rate is 13 percent.

a. What is the discounted payback period for these cash flows if the initial cost is $5,800? (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 $7,900? (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 $10,900? (Do not round intermediate calculations and round your answer to 2 decimal places, e.g., 32.16.)