A machine can be purchased for $90,000 and used for five years, yielding the following income. This income computation includes annual depreciation expense of $18,000. Year 1 Income 56,000 Compute the machine's payback period. (Round your intermediate calculations to 3 decimal places and round payback period answer to 3 decimal places.) Year 2 $15,000 Year : $36.000 Year 4 $22,500 Year 5 $50,000 Year Net Income Depreciation Net Cash Flow Cumulative Net Cash Flow (90000) $ (90.000) $ Initial Invest Year 1 Year 2 Year 3 Year 4 Year 5 6,000 15.000 35,000 22.500 60,000 0 0 Payback period