Mohr Company purchases a machine at the beginning of the year ot a cost of $39,000. The machine is depreciated using the double-declining-balance method, The mochine's useful life is estimated to be 5 years with a $5,000 salvoge value. The machine's book value at the end of year 2 is: Mustiple Chaice $20.400 $10,800 315.600 $14,040 $23,400