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 Cash Flows $ (116,000) (104,400) (82,800) (61,200) Year Initial investment $ (116,000) 1. 11,600 2. 21,600 3. 21,600 32,080 5. 6. 41,600 12,480 41,600 54,080 4. (29,120) Payback period years