3.14. LA Theatres Inc. has two distinct revenue sources, ticket and concession revenues. The follow- ing information from LA Theatres Inc. income statements for the past three years is available: 2016 2015 (in millions) Ticket revenue Concessions revenue Total revenue Cost of goods sold-tickets Cost of goods sold concessions Total cost of goods sold Gross profit $1,731 792 $2,523 $ 951 70 $1,021 $1,502 $1,642 687 $2,329 $ 854 69 923 $1.406 2014 $1,120 411 $1,531 $ 549 48 $ 597 934 (a) Calculate gross profit margins for tickets and concessions for all three years. Calculate an overall gross profit margin for LA Theatres Inc. for all three years. (b) Analyze the changes in gross profit margin for all three years. Question 3.14 - Calculate the gross profit margins for tickets and concessions for all three years (2014, 2015, 2016). Calculate an overall gross profit margin for LA Theatres for all three years using the information provided on page 147 and answer the following questions: a. Gross profit margin for tickets for 2014. b. Gross profit margin for tickets for 2015. C. Gross profit margin for tickets for 2016. d. Gross profit margin for concessions for 2014 e. Gross profit margin for concessions for 2015. f. Gross profit margin for concessions for 2016. g. Total gross profit margin for 2014. h. Total gross profit margin for 2015. i. Total gross profit margin for 2016