Indicate some of the concerns or cautions that need to be considered when conducting ratio analysis.

Go to the Hoovers business online at hoovers.com and click on Companies A-Z. Identify a firm such as Google, Inc. (ticker symbol: GOOG) or Applebees International, Inc. (ticker symbol: APPB). Obtain the most recent three years of income statements and balance sheets. Analyze the changes in operating and financial performance, if any, by applying three (3) ratios covered this week.