TB MC Qu. 08-176 (Algo) Martin Company purchases a machine at... Martin Company purchases a machine at the beginning of the year at a cost of $140,000. The machine is depreciated using the doubledeclining-balance method. The machine's useful life is estimated to be 4 years with a $11,600 salvage value. The machine's book value at the end of year 3 is: Multiple Choice $70.000 $105,000 $122,500. $17,500