Rho Company is considering a new investment that costs $270,000, has a 9 year life, and no salvage value. Below is an income statement related to the investment's estimated annual revenues and expenses. $ 190,000 Revenues Expenses: Salaries Utilities Depreciation Other cash expenses Net operating income $ 75,000 20,000 30,000 35,000 160,000 $ 30,000 The payback period on this investment is closest to: O 4.5 years O 1.7 years O 9.0 years O 1.4 years