1. At the start of the chapter, we talked about how risky and volatile airlines' operations are. Let us examine this further. Go to finance.yahoo.com. Enter "UAL" for United Continental Holdings in the "Quote Lookup" box. Scroll down to "United Continental Holdings" and click.

2. Click on "Profile" under the stock price and to the right of "Summary." Compose a one-paragraph description of the company.

3. Now click on "Financials." Look at the Income Statement and describe the pattern of change in for "Total Revenue" and "Operating Income or Loss" in one paragraph.

4.Go to "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.

5.Click on "Analysts." Do UAL's earning estimates appear to be more or less promising for the future?

I just need help with questions 3-5 only.