Martin Company purchases a machine at the beginning of the year at a cost of $146,000. The machine is depreciated using the double-declining-balance method. The machine's useful life is estimated to be 4 years with a $12,100 salvage value. The machine's book value at the end of year 3 is: Multale Choice $127.750 $18.250 $16,713 $73000 $109,500