COMPANIES: BOEING, WALMART, HYUNDAI

Locate the income statement of three companies in different industries, such as an airline, discount retailer, restaurant, auto manufacturer, etc. Calculate at leastthree profitability ratios for each company, such as gross profit margin, net profit margin, return on assets, or operating profit margin. Discuss the differences you find between industries and why you think those differences exist. Critique the following post. Please send the references so I can read them.