During 2010, salem company spent $330,000 in research and development costs. as a result of its r& d activities, salem patented a new product on december 1, 2010. on december 1, 2010, salem incurred and paid $12,600 of legal costs related to its new patent. the patent had a five-year legal life. salem only prepares adjusting journal entries once each year as of 12-31 (year-end).a) prepare the entries salem made in 2010 related to the r& d activities and the patent. b) prepare the entries salem made in 2011 and 2012 related to the patent. c) on june 30, 2013, salem spent $10,000 to defend its patent rights. salem’s defense was unsuccessful. as a result of the unsuccessful defense, salem determined its patent was worthless. prepare the entries salem made in 2013 related to the patent.