What is the comparison (analysis) of the Operating Margin of Industry Average Ratio and the Company A Ratio? The Operating Margin ratios has decreased and increased. Why? Industry Average Operating...

What is the comparison (analysis) of the Operating Margin of Industry Average Ratio and the Company A Ratio? The Operating Margin ratios has decreased and increased. Why? Industry Average Operating Margin 2015: 30.10% 2016: 37.75% 2017: 21.39% 2018: 18.92% 2019: 25.38% Company A Operating Margin 2015: 23.33% 2016: 15.69% 2017: 18.15% 2018: 25.06% 2019: 16.82%