I think I got A and B right if so what is C?

Bottoms Up Diaper Service is considering the purchase of a new industrial washer. It can purchase the washer for $7,200 and sell its old washer for $2,500. The new washer will last for 6 years and save $1,700 a year in expenses. The opportunity cost of capital is 15%, and the firm's tax rate is 21% a. If the firm uses straight-line depreciation over a 6-year life, what are the cash flows of the project in years 0 to 6? The new washer will have zero salvage value after 6 years, and the old washer is fully depreciated. (Negative amounts should be indicated by a minus sign.) b. What is project NPV? (Do not round intermediate calculations. Round your answer to 2 decimal places.) c. What is NPV if the firm investment is entitled to immediate 100% bonus depreciation? (Do not round intermediate calculations. Round your answer to 2 decimal places.) Annual operating cash flow in year 0 $ (5,225) a. Annual operating cash flow in years 1 to 6 $ 1,595 b. NPV $ 811.25 C. NPV