31. Mohr Company purchases a machine at the beginning of the year at a cost of $31,000. 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: 2.72 points Multiple Choice 8 01:26:41 $6,200. $10,800. $12,400. $7,440. $18,600. 32 Mohr Company purchases a machine at the beginning of the year at a cost of $26,000. The machine is depreciated using the straight-line method. The machine's useful life is estimated to be 5 years with a $5,000 salvage value. The book value of the machine at the end of year 2 is: 2.72 points Multiple Choice 8 01:26:48 $4,200. $8,400. $12,600. $17,600 O $21,000