Bullet Industries, Inc. purchased a machine on January 1, 2021. The cost of the machine was for $30,500. at the beginning of 2021. Its estimated residual value was $9,500 at the end of an estimated 5-year life. The company expects to produce a total of 10,000 units. The company produced 1,150 units in 2021 and 1,600 units in 2022. Required: a. Calculate depreciation expense for 2021 and 2022 using the straight-line method. 2021 2022 b. Calculate depreciation expense for 2021 and 2022 using the units-of-production method. 2021 2022 c. Calculate depreciation expense for 2021 through 2025 using the double-declining balance method. 2021 2022 2023 2024 2025