What is the comparison (analysis) of the Profit Margin of Industry Average Ratio and the Company A Ratio? The Profit Margin has decreased and increased. Why? Industry Average Profit Margin2015:...

What is the comparison (analysis) of the Profit Margin of Industry Average Ratio and the Company A Ratio? The Profit Margin has decreased and increased. Why? Industry Average Profit Margin 2015: 23.43% 2016: 29.54% 2017: 15.81% 2018: 30.59% 2019: 22.42% Company A Profit Margin 2015: 14.67% 2016: 8.06% 2017: 9.70% 2018: 13.74% 2019: 7.65%