Margins

	2013	2012	2011	2009	2007
Gross profit margin
Operating Profit Margin
Net profit margin

*Gross profit margin = (sales- COGS)/sales

*Operating profit margin= Income from operations/sales

*Net profit margin= Net profit/ sales revenue

Liquidity Ratio

	2013	2012	2011	2009	2007
Current Ratio
Working Capital

*Current Ratio= Current asset/ Current liability

Working Capital= Current assets- Current liability

Leverage Ratio

	2013	2012	2011	2009	2007
Total debt-to-asset Ratio
Long-term debt-to-capital ratio
Debt-to-equity ratio
Long-term debt-to equity ratio

*Total debt-to-assets ratio= total debt/total assets

*Long-term debt-to capital ratio= long-term debt/ (long-term debt+ total stockholders equity)

*Debt-to-equity ratio= total debt/ total stockholders equity

*Long-term debt-to-equity ratio= long-term debt/total stockholders equity

Returns and other financial ratio

	2013	2012	2011	2009	2007
Total return on assets
ROA
ROE
Asset Turnover

*Total return on assets= (Profits after taxes+ Interest)/Total Assets

*ROA= Profits after taxes/ total assets

*ROE= Profits after taxes/ Total stockholders equity

*Asset Turnover= net sales/average total assets