1.1 Which of the following ratios are key components in measuring a company's operating efficiency? (You may select more than one answer. Single click the box with the question mark to produce a check mark for a correct answer and double click the box with the question mark to empty the box for a wrong answer. Any boxes left with a question mark will be automatically graded as incorrect.) Profit margin Equity ratio Return on total assets ? Total asset turnover 1.2 Which ratio summarizes the components of Profit Margin and Total Asset Turnover? Return on total assets O Debt ratio O Profit margin Total asset turnover 2. What measure reflects the difference between current assets and current liabilities? Working capital Gross margin Day's sales uncollected Return on total assets