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Hudson Co. can purchase a machine for $170.000 and use it for five years. yielding the following net incomes. In projecting net incomes, straight-line depreciation is applied using a five-year life and a zero salvage value. Compute the machine's payback period (ignore taxes), (Round your intermediate calculations to 3 decimal places and round payback period answer to 3 decimal places.) A machine costs $300,000 and is expected to yield an after-tax net income of $9,000 each year. Management predicts this machine has a 11-year service life and a $60,000 salvage value, and it uses straight-line depreciation. Compute this machine's accounting rate of return