please help asap will upvote!!

Use the information below to calculate the firm's return on common equity. (State your answer as a percentage with two decimal places.) Net profit margin =13.82%; Debt ratio =51.55%; Fixed asset turnover =3.85; Total asset turnover =1.70; Inventory turnover =13.27 34.74%23.49%48.49%18.16%21.97%