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Using the sum-of-the-years'-digit and double-declining balance depreciation methods, compute the depreciation expense for 2022 and 2023 and the book value of the machine at the end of 2023 for each of the following two independent cases. Please show your work briefly and have your final answers summarized in the tables. Round the final answers in the tables to the nearest dollar when needed. a. Stone Co. acquired a machine on January 1, 2022, at a cost of $44,800. The machine has an estimated salvage value of $5,600 at the end of its 7-year useful life. The depreciation adinstment is done at the end of everv calendar vear. b. Rock Co. acquired a equipment on June 1, 2022, at a cost of $44,800. The machine has an estimated salvage value of $5,600 at the end of its 7 -year useful life. The depreciation