Martin Compony purchases a machine at the beginning of the year at a cost of $75,000. The machine is depreciated using the straight-line method. The machine's useful ife is estimated to be 5 years with a $5,000 salvage value. The book value of the machine at the end of year 5 is: Multiple Choice 514.000 $70,000 $30,000 $5,000 $0