Perform a ratio analysis on stocks AMZN and GOOG by calculating:

1. Return on Assets (ROA)
2. Return on Equity (ROE)
3. Current Ratio
4. Quick Ratio
5. Debt-to-Assets Ratio
6. Debt-to-Equity Ratio
7. Times-Interest-Earned (TIE) Ratio
8. Inventory Turnover Ratio
9. Total Assets Turnover Ratio