A DuPont analysis is conducted using the DuPont equation, which helps to identify and analyze three important factors that drive a company’s ROE. Complete the following equations, which are needed to conduct a DuPont analysis: ROE = Profit Margin × Total Assets Turnover × = / Sales × / Total Assets × Total Assets / Total Common Equity

When used-car dealers signal the quality of a used car with a warranty, a. buyers believe the signal because the cost of a false signal is high b. it is not rational to believe the signal because some used-car dealers are crooked c. the demand for lemons is eliminated d. the price of a lemon rises above the price of a good used car because warranty costs on lemons are greater than warranty costs on good used cars