Please show calculations

Question 1 [5 points] Selected information for Courtland Company is given below. 2016 2015 2014 2013 2012 Gross profit from sales Operating expenses, $118,770 $113,420 $111,280 $109,140 $107,000 56,710 55,650 54,590 53,530 53,000 a) Calculate the horizontal trend percentage for these items using 2012 as the base year. Please make sure your final answer(s) are in percentage form and are accurate to the nearest whole percent. (For example: 12%) 2016 2015 2014 2013 2012 Gross profit from sales. Operating expenses, b) Assuming all other things are constant, indicate whether the horizontal trend in operating expenses is favourable or unfavourable compared to the horizontal trend in gross profit from sales. The horizontal trend is (select one) (select one) favourable unfavourahle