(in millions) 2013 2012 2011 Ticket revenue 1,831 1,642 1,220 Concessions revenue 892 687 411 Total revenue 2,723 2,329 1,631 Cost of goods sold-tickets 951 854. 549 Cost of goods sold-concessions Total cost of goods sold 70 69 48 1,021 923 597 Total gross profit 1,702 1,406 1,034 a. Calculate the total revenue change (revenue growth) in percentage for 2011/2012 and i mi mim m meen A w m 2012/2013. b. Calculate gross profit margins for tickets and concessions for all three years. c. Calculate an overall gross profit margin for EU Theaters Inc. for all three years. wm w w wwi d. Calculate the change in percentage in total gross profit margin. e. Please comment on the trend over the years 2011, 2012 and 2013 for the company EU Theaters.