Which building block?

1.Current ratio

2.Acid-test ratio

3.Accounts receivable turnover

4.Inventory turnover

5.Days' sales uncollected

6.Total asset turnover

7.Debt ratio

8.Equity ratio

9.Debt-to-equity ratio

10.Times interest earned

11.Profit margin

12.Gross margin ratio

13.Return on total assets

14.Return on common stockholders' equity

15.Price-earnings ratio

16.Dividend yield