Problem 9-9A Blue Corporation purchased machinery on January 1, 2017, at a cost of$320,000. The estimated useful life of the machinery is 4 years, with an estimated salvage value at the end of that period of $28,000. The company is considering different depreciation methods that could be used for financial reporting purposes. ? (a) Prepare separate depreclation schedules for the machlnery using the stralght-lIne method, and the declining-balance method uslng double the stralght-llne rate STRAIGHT-LINE DEPRECIATION Computation End of Year Years Depreciable Cost x Depreciation 2017 2018 2019 2020 = Annual Depreciation Expense Accumulated Depreciation Book Value Rate