Two firms have sales of $0.9 million each. Other financial information is as follows: What are the operating profit margins and the net profit margins for these two firms? Round your answers to two decimal places. Operating profit margins: Firm A: Firm B: Net profit margins: Firm A: Firm B: What are their returns on assets and on equity? Round your answers to two decimal places. Return on assete: Return on assets: Firm A: Return on equity: Firm A