Could you find these formulas from the latest income sheets of Amazon and Walmart on Yahoo Finance

Walmart on yahoo finance the numbers from 1/31/2021

Amzon on yahoo finance the numbers from 12/31/2020

let me know if you have any questions

1 Leverage Ratio Book debt-to-equity ratio Market debt-to-equity ratio (For debt, include long-term and short-term debt; for cash, include marketable securities. To calculate the firm's market capitalization, multiply the number of shares outstanding by the firm's historic closing stock price. The historical stock prices for each firm could be obtained from Yahool Finance or Google Finance. Enter the stock symbol, click "Historical Prices" in the left column, and enter the proper date range to cover the last day of the month corresponding to the date of each financial statement. Use the closing stock prices (not the adjusted close).) Interest Coverage Ratio EBIT / interest expense Valuation Ratios Price-to-Earnings ratio Market-to-Book ratio Operating Returns Return on equity Return on assets 1 Leverage Ratio Book debt-to-equity ratio Market debt-to-equity ratio (For debt, include long-term and short-term debt; for cash, include marketable securities. To calculate the firm's market capitalization, multiply the number of shares outstanding by the firm's historic closing stock price. The historical stock prices for each firm could be obtained from Yahool Finance or Google Finance. Enter the stock symbol, click "Historical Prices" in the left column, and enter the proper date range to cover the last day of the month corresponding to the date of each financial statement. Use the closing stock prices (not the adjusted close).) Interest Coverage Ratio EBIT / interest expense Valuation Ratios Price-to-Earnings ratio Market-to-Book ratio Operating Returns Return on equity Return on assets