An investment project has annual cash inflows of $8,200, $7,300, $8,100, and $9,400, and a discount rate of 14%. What is the discounted payback period for these cash flows if the initial cost is $9,900? (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 $14,190? (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 $18,480? (Do not round intermediate calculations. Round the final answer to 2 decimal places.) Discounted payback period years