An investment project has annual cash inflows of $7,200, $6,800, $7,600, and $8,900, and a discount rate of 14%. What is the discounted payback period for these cash flows if the initial cost is $9,150? (Do not round intermediate calculations. Round the final answer to 2 decimal places.) Discounted payback period years What is the discounted payback period for these cash flows if the initial cost is $13,115? (Do not round intermediate calculations. Round the final answer to 2 decimal places.) Discounted payback period years What is the discounted payback period for these cash flows if the initial cost is $17,080? (Do not round intermediate calculations. Round the final answer to 2 decimal places.) Discounted payback period years