years An investment project has annual cash inflows of $4,200, 55,300, 56100, and $7,400, and a discount rate of 10% What is the discounted payback period for these cash flows if the initial cost is $7,000? (Do not round intermediate calculations. Round the final answer to 2 decimal places.) Discounted payback period What is the discounted payback period for these cash flows if the initial cost is $10,000? (Do not round intermediate calculations. Round the final answer to 2 decimal places.) Discounted payback period What is the discounted payback period for these cash flows if the initial cost is $13,000? (Do not round intermediate calculations. Round the final answer to 2 decimal places.) Discounted payback period years years