Amazon.com, Inc.’s financial statements are presented in Appendix D. Financial statements for Wal-Mart Stores, Inc. are presented in Appendix E. Instructions for accessing and using the complete annual reports of Amazon and Wal-Mart, including the notes to the financial statements, are also provided in Appendices D and E, respectively.

Instructions
Based on information contained in these financial statements, determine the following for each company.
1. (a) Increase (decrease) in interest expense from 2010 to 2011.
(b) Increase (decrease) in net income from 2010 to 2011.
(c) Increase (decrease) in cash flow from operations from 2010 to 2011.
2. Cash flow from operations and net income for each company is different. What are some possible reasons for these differences?