please help me answer the question

An asset used in a four-year project falls in the five-year MACRS class for tax purposes. The asset has an acquisition cost of $805408 and will be sold for $102606 (before tax) at the end of the project, at the end of year 4. If the tax rate is 21%, what is the aftertax salvage value of the asset? MACRS 5-year equipment Year Rate 20.00% N 32.00% 3 19.20% 11.52% 11.52% 5.76% Select one: O a. $129769.82 b. $110285.39 O c. $46391.50 O d. $90800.96 O e. $139174.50