1. On March 1, 20X1, Efay Co. purchases for $900,000 a machine that Efay estimates will have a useful life of 5 years and a residual value of $20,000. They use Double Declining Balance depreciation. Complete the table below.

2. On August 1, 2017, Zenith purchases for $125,000 a machine they estimate has a useful life of 4 years and a scrap value of $5,000. They use Sum of Year Depreciation.

3. In April 2018, Runco purchases a building for $280,000. Compute tax depreciation for this property for 2018 and 2019 if:

1. The building is commercial.
2. The building is residential.