Response to the following questions:
1. What items are included in a company's statement of retained earnings?
2. What is a change in accounting principle and how is it reported on a company's statement of retained earnings?
3. What are the possible causes of an error in a company's financial statements? How is the correction of a material error accounted for and how is the correction reported on the financial statements?
If possible, please give examples to better understand your response.