How to caluculate cca

Tradesmen Auto purchased equipment on July 31, 2009 for $250,000. In October 2011, new equipment was purchased for $300,000 and the old equipment was sold for $170,000 in November of the same year. The new equipment is the only remaining asset in the asset class. A major change in business resulted in the equipment being sold on August 31, 2013 for $185,000 and the asset class was closed. 31st year-end. The applicable CCA rate is 20% and tax rate is 25%. The company has a December Required: (a) Calculate CCA claimed in each year from 2009 through 2013