83. Weston Company purchased a tooling machine on January 3, 2000 for $500,000. The machine was being depreciated on the straight-line method over an estimated useful life of 10 years, with no salvage value. At the beginning of 2007, the company paid $125,000 to overhaul the machine. As a result of this improvement, the company estimated that the useful life of the machine would be extended an additional 5 years (15 years total). What should be the depreciation expense recorded for the machine in 2007? a. $34,375 b. $41,667 c. $50,000 d. $55,000