Go to the book’s companion website and use information found there to answer the following questions related to The Coca-Cola Company and PepsiCo, Inc.

  (a) Identify the changes in accounting principles reported by Coca-Cola during the 3 years covered by its income statements (2009–2011). Describe the nature of the change and the year of change.
  (b) Identify the changes in accounting principles reported by PepsiCo during the 3 years covered by its income statements (2009–2011). Describe the nature of the change and the year of change.
  (c) For each change in accounting principle by Coca-Cola and PepsiCo, identify, if possible, the cumulative effect of each change on prior years and the effect on operating results in the year of change.