Cost recovery. Richardses' Tree Farm, Inc. purchased a new aerial tree trimmer for $87,000. It is classified in the property class category of a single-purpose agricultural and horticultural structure. Then the company sold the tree trimmer after four years of service. If a seven-year life and MACRS. . was used for the depreciation schedule, what is the after-tax cash flow from the sale of the trimmer (use a 35% tax rate) if a. the sales price was $36,000? b. the sales price was $27,178.807 c. the sales price was $21,000? a. If the sales price is $36,000, what is the after-tax cash flow? (Round to the nearest cent.)