Weston Company purchased a tooling machine on January 3, 1999 for $620,000. The machine was being depreciated on the straight-line method over an estimated useful life of ten years, with $20,000 residual value. At the beginning of 2006, the company paid $175,000 to renovate (improve the machine. As a result of this improvement, the company estimated that the useful life of the machine would be a total of 15 years with no residual value. What should be the depreciation expense recorded for the machine in 2006? a O $41.250 O $41.875 O $46,875 O $66,000