Noah Company is considering purchasing a machine that costs $273,600 and is estimated to have no salvage value at the end of its 5-year useful life. If the machine is purchased, annual revenues are expected to be $80,800 and annual operating expenses exclusive ofdepreciation expense are expected to be $56,900. The straight-line method of depreciation would be used. The cash payback periodon the machine is

Round your answer to 2 decimal places