A new machine costing $72,000 cash and estimated to have a $12,000 salvage value was purchased on January 1 . The machine is expected to produce 5,000 units of product during its 4-year useful life. Calculate depreciation expense in the first year under the following independent situations. 1. The company uses the units-of-production method and the machine produces 750 units of product during its first year. 2. The company uses the double-declining-balance method. 3. The company uses the straight-line method. Complete this question by entering your answers in the tabs below. Calculate depreciation expense in the first year if the company uses the units-of-production method and the machine produces 750 units of product during its first year. Calculate depreciation expense in the first year if the company uses the straight-line method. Calculate depreciation expense in the first year if the company uses the double-declining-balance method. Double-declining-balance depreciation for the first year