【正文】
an acceptable rate of return.Gross margin, Gross profit margin or Gross Profit RateOR Operating margin, Operating Ine Margin, Operating profit margin or Return on sales (ROS) Note: Operating ine is the difference between operating revenues and operating expenses, but it is also sometimes used as a synonym for EBIT and operating profit.[10] This is true if the firm has no nonoperating ine. (Earnings before interest and taxes / Sales) Profit margin, net margin or net profit margin Return on equity (ROE) Return on investment (ROI ratio or Du Pont ratio) Return on assets (ROA) Retur