An investment project has annual cash inflows of $5,200, $3,000, $4,300, and $3,500, for the next four years, respectively. The discount rate is 13 percent. What is the discounted payback period for these cash flows if the initial cost is $4,900? (Do not round intermediate calculations and round your answer to 2 decimal places, e.g., 32.16.) Discounted payback period years What is the discounted payback period for these cash flows if the initial cost is $7,000? (Do not round intermediate calculations and round your answer to 2 decimal places, e.g., 32.16.) Discounted payback period years What is the discounted payback period for these cash flows if the initial cost is $10,000? (Do not round intermediate calculations and round your answer to 2 decimal places, e.g., 32.16.) Discounted payback period years