At the start of the chapter, we talked about how risky and volatile airlines' operations were. Let's examine this further. Go to finance.yahoo.com. Enter UAL for United Continental Holdings in the "Get Quotes" box. Go to "Company" along the left-hand margin. Click on "Profile" in the left-hand column and write a one-paragraph description of the company. Scroll down and click on the "Income Statement." Describe the pattern of change for 'Total Revenue" and "Income from Continuing Operations" in one paragraph. Go to the "Balance Sheet." In one sentence, describe the pattern of change in Stockholders' Equity and indicate whether this does or does not appear to be a matter of concern. Click on "Analyst Estimates." Do UAL's earnings estimates appear to be more or less promising for the future? Finally, click on "Competitors." How does UAL compare to the other airlines and the industry in terms of Operating Margin? At the start of the chapter, we talked about how risky and volatile airlines' operations were. Let's examine this further. Go to finance.yahoo.com. Enter UAL for United Continental Holdings in the "Get Quotes" box. Go to "Company" along the left-hand margin. Click on "Profile" in the left-hand column and write a one-paragraph description of the company. Scroll down and click on the "Income Statement." Describe the pattern of change for 'Total Revenue" and "Income from Continuing Operations" in one paragraph. Go to the "Balance Sheet." In one sentence, describe the pattern of change in Stockholders' Equity and indicate whether this does or does not appear to be a matter of concern. Click on "Analyst Estimates." Do UAL's earnings estimates appear to be more or less promising for the future? Finally, click on "Competitors." How does UAL compare to the other airlines and the industry in terms of Operating Margin