Dupont System of Financial Control Love Machine 16 years ago Dupont System of Financial Control Uses the fact pertaining to return on assets or ROA that asset turnover and profit margin can be used to define the ROA of a business. Recommended for you: Using 3-part Dupont Analysis to Understand an Investment Opportunity Using 5-part Dupont Analysis to Understand an Investment Opportunity Strengths and Shortfalls of Dupont Analysis Financial Crisis