An investment project has annual cash inflows of $5,500, $6,600, $7,400, and $8,700, and a discount rate of 11 percent. Required: What is the discounted payback period for these cash flows if the initial cost is $9,000? (Do not round your intermediate calculations.) 1.26 years 2.51 years 0.76 years 3.52 years 1.76 years