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.) Profit margin Equity ratio Return on total assets Total asset turnover 1.2 Which ratio summarizes the components applicable in 1.1? O Return on total assets O Debt ratio O Profit margin O Total asset turnover 2. What measure reflects the difference between current assets and current liabilities? O Gross margin O Return on total assets O Working capital O Day's sales uncollected 3. Which of the following short-term liquidity ratios measure how frequently a company collects its accounts? (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.) Days' sales uncollected Days' sales in inventory Accounts receivable turnover Acid-test ratio