A machine has a cost of $180. It will have a life of 3 years, and will be depreciated straight line to zero salvage value. It will result in sales revenue of $200 per year and cash operating costs of $110 per year. Use of the machine will require an increase in working capital of $70 for the 3 years, beginning at year 0. The appropriate discount rate is 8% and the firms tax rate is 40%. What is the NPV for the machine?

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