Depreciation Methods On January 1, 2019, Loeffler Company acquired a machine at a cost of $200,000. Loeffler estimates that it will use the machine for 4 years or 8,000 machine hours. It estimates that after 4 years the machine can be sold for $20,000. Loeffler uses the machine for 2,100 and 1,800 machine hours in 2019 and 2020, respectively. Required: Compute depreciation expense for 2019 and 2020 using the: 1. Straight-line method of depreciation. Depreciation Expense 2019 45,000 2020 45,000 2. Double-declining-balance method of depreciation. Depreciation Expense 2019 87,520 X 2020 49,221 X 3. Units-of-production method of depreciation. Depreciation Expense 2019 47,250 2020 40,500