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 = 13.87%; Debt ratio 45.07% ; Fixed asset turnover = 5.77; Total asset turnover = 2.70; Inventory turnover = 17.58. 37.45% 68.18% 51.28% 28.95% 35.01%