Rivera Company purchased s tooling mochine on January 3, 2008 for $500,000. The machine was being depreclated on the straight-line method over an dstimated uselul life of 10 years, with no residual value. At the begitning of 2015 , the comparty paid 3125,000 to overhaul the machine. As a rasult of this improvernent, 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 2015? a. 334,375 b. 541,667 C 550.000