The graph shows the gross box office earnings of movies, in millions of dollars, for a certain region between the years 2013 and 2018. Complete parts (a) through (e). Earnings (millions of dollars) Gross Box Office Earnings for Movies 12,000- 11,750- 11,483.9 11,500- 11,383.2 11,250-11,084.7 11,000 10,750- 10,500- 10,250 10,000 11,8204 11,096.4 10,197.5 2013 2014 2015 2016 2017 2018 Year a) Determine the percent decrease in box office earnings from 2013 to 2014. The eamings decreased by %. (Round to the nearest tenth as needed.) b) Determine the percent increase in box office earnings from 2014 to 2015. The eamings increased by %. (Round to the nearest tenth as needed.) c) Determine the percent increase in box office earnings from 2015 to 2016. The earnings increased by %. (Round to the nearest tenth as needed.) d) Determine the percent decrease in box office earnings from 2016 to 2017. Time Remaining: 01:39:36 Next 0 of