Last year Harrington Inc. had sales of $325,000 and a net income of $19,000, and its year-end total assets were $250,000. The firm's total- debt-to-total-capital ratio was 45.0%. The firm finances using only debt and common equity and its total assets equal total invested capital. Their equity multiplier is 1.82 Why ratios are useful and relate to two of their limitations (2 points) Based on the DuPont equation Calculate the ROE? (2 points) a. b. be