Bottoms Up Diaper Service is considering the purchase of a new industrial washer. It can purchase the washer for $3,000 and sell its old washer for $800. The new washer will last for 6 years and save $600 a year in expenses. The opportunity cost of capital is 9%, and the firms tax rate is 40%. a. If the firm uses straight-line depreciation to an assumed salvage value of zero over a 6-year life, what is the annual operating cash flow of the project in years 1 to 6? The new washer will in fact have zero salvage value after 6 years, and the old washer is fully depreciated.