Question 11 [6 points) Dylex Corporation purchased an office building on January 4, 2004 for $770,000. At the time, I was imated that the building would stor 25 years who January 4, 2011, a significant modification was made to the roof of the building a cost of $40.000. The modification could not been stor add an additional 8 years to the useful We. As well, it was estimated the residual value would be reduced to $102.500. Me end of the 20to property market, the residual value was revised to 50. The useful le, however, was expected to remain astmated on January 4, 2011. The company www and is calculated to the nearest month. Please make sure your final anwerf) we curate to the nearest whole number a) Calculate the annual depreciation that was charged from 2004 to 2010 Annual depreciation b) Calculate the annual depreciation that was charged from 2011 to 2014 Annual depreciation = $ c) Calculate the annual depreciation that will be charged from 2015 onwards Annual depreciations