Submit your solution to the problem in an Excel file. Explain your answer as necessary and be sure your calculations are clearly shown. Taxpayer Tina, a sole proprietor, has the following business assets: Warehouse, acquired in 2005 for $1,000,000; Machinery, (2016, $370,000); Computers (2018, $25,000); Pickup truck (2019, $55,000). Costs given are net of any Sec. 179 or bonus depreciation taken. Required: a) Compute Tina's MACRS depreciation for 2020. b) Independent of your answer to (a), assume that Tina sells the computers at a loss of $5,000, and 10% of the machinery at a gain of $17,000. Determine the character of the gain and loss on her return, explaining in detail