MC Qu. 176 Martin Company purchases a machine at... Martin Company purchases a machine at the beginning of the year at a cost of $60.000 The machine is depreciated using the double declining balance method. The machine's useful life is estimated to be 4 years with a $5,000 salvage value. The machine's book value at the end of year 3 : Multiple Choice o , o O S45,000. o 562.00 o 7.500, c 687s Pey 200