solve the following

   

Profitability ratios L 1. Profit margin 1229 Use the 2021 Net income & Sales numbers to show me how you calculated the Profit margin m. Return on assets .1062 Use the 2021 Net income and Total assets numbers and show me how you calculated the Return on assets n. Return on equity 1.188 Use the 2021 Net income and Total equity numbers and show me how you calculated the Return on equity