On January 1 , a machine with a useful life of 4 years and a residual value of $76000 was purchased for $600000. What is the depreciation expense for year 2 under the double-declining-balance method of depreciation? $300000.$225000$112500$150000 On January 1 , a machine with a useful life of 4 years and a residual value of $76000 was purchased for $600000. What is the depreciation expense for year 2 under the double-declining-balance method of depreciation? $300000.$225000$112500$150000