On January 1,2021, Hobart Mfg. Co. purchased a drill press at a cost of $36,000. The drill press is expected to last 10 years and has a residual value of $6,000. During its 10-year life, the equipment is expected to produce 500,000 units of product. in 2021 and 20222 . 25,000 and 84,000 units, respectively, were produced. Required: 1. Compute depreciation expense for 2021 and 2022 for the drill press, assuming the straight-line method is used. 2. Compute depreciation expense for 2021 and 2022 for the drill press, assuming the double-declining-balance method is used. 3. Compute depreciation expense for 2021 and 2022 for the drill press, assuming the sum-of-the-years'-digits method is used