Klein Co. purchased machinery on January 2, 2001, for $440,000. The straight-line method is used and useful life is estimated to be 10 years, with a $40,000 salvage value. At the beginning of 2007 Klein spent $96,000 to overhaul the machinery. After the overhaul, Klein estimated that the useful life would be extended 4 years (14 years total), and the salvage value would be $20,000. what The depreciation expense for 2007 should be ?