Martin Company purchases a machine at the beginning of the year at a cost of $85,000. The machine is depreciated using the double-declining-balance N method. The machine's useful life is estimated to be 4 years with a $7,000 salvage value. The machine's book value at the end of year 3 Is: Multiple Choice Ints eBook O $9,719. Print O $74,375. O $10,625. $63,750. O $42,500