Boscan Corporation purchased machinery on January 1, 2014, 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 $27,300. The company is considering different depreciation methods that could be used for financial reporting purposes.

STRAIGHT-LINE DEPRECIATION End of Year Computation Depreciable Cost Annual Depreciation Expense Accumulated Depreciation Book Value Depreciation Rate ears 2014 22 249600 320000 70400 70400 2015 179200 140800 320000 22 70400 L 2016 22 320000 70400 211200 108800 22 2017 70400 281600 320000 38400 281600 DOUBLE-DECLINING-BALANCE DEPRECIATION End of Year Computation ears Book Value Beginning of Year x Depreciation Rate Annual Depreciation Expense Accumulated Depreciation Book Value 2014 $U 2015 2016 12,700 2017 Depreciation expense for 2017 under Double declining-balance is adjusted so that ending book value is equal to salvage value