An investment project has annual cash inflows of $4,200, $5,300, 6,100 and $7,400 and a discount rate of 14 percent. What is the discounted payback period for these cash flows if the initial cost is $7,000? What is the discounted payback period for these cash flows if the initial cost is $10,000? What is the discounted payback period for these cash flows if the initial cost is $13,000? Do not round intermediate calculations and round your final answer to 2 decimal places