Mohr Company purchases a machine at the beginning of the year at a cost of $36,000. 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. The machine's book value at the end of year 2 is: Multiple Choice 0 $19,200. 0 $9,600. $12,960. 0 $21,600. o $14.400. $14,400