What's the meaning of DuPont system？

The DuPont system is a financial analysis method that breaks down a company's return on equity (ROE) into three components: net profit margin, asset turnover, and financial leverage. This system is used to identify the strengths and weaknesses of a company's operations and financial structure. The DuPont system was developed by the DuPont Corporation in the early 20th century and is widely used by financial analysts and investors.