1- Mohr Company purchases a machine at the beginning of the year at a cost of $24,000. The machine is depreciated using the double-declining-balance method. The machine's useful life is estimated to be 5 years with a $4,000 salvage value. Depreciation expense in year 2 is: a) $5,760 b) $14,400. c) $8,000 d) $9,600. e) $4,800