An investment project has annual cash inflows of $5,400, $6,500, $7,300, and $8,600, and a discount rate of 10 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.) O 0.76 years 0 2.51 years 1.76 years 01.26 years O 3.52 years