P9-4 Calculating Discounted Payback (LO3] An investment project has annual cash inflows of $5,600, $6,700, $7,500, and $8,800, and a discount rate of 12 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.) Multiple Choice O 0.75 years o 3.50 years O 1.75 years O 1.25 years O 2.50 years