15 Compute the payback period for an investment with the following net cash flows. (Round your answer to one decimal place.) Net Cash Flows per Year Cumulative Net Year Cash Flows Initial investment $ (111,000) $ (111,000) 1. 11,100 (99,900) 2. 21,100 (78,800) 3. 21,100 (57,700) 4. 20,710 (36,990) 5. 41,100 4,110 6. 41,100 45,210 Payback period years