The financial statements of Amazon.com, Inc. are presented in Appendix D. Click here to view Appendix D. Financial statements of Wal-Mart Stores, Inc. are presented in Appendix E. Click here to view Appendix E. The complete annual reports, including the notes to the financial statements, are available at each company's respective website. (a) Based on the information contained in these financial statements (For Amazon use values for December 31, 2016 and for Wal-Mart use values for January 31, 2017.), and the accompanying notes and schedules, compute the following values for each company. (Round all percentages to 1 decimal places, eg. 15.1% and asset turnover ratio to 2 decimal places, eg. 15.21. Enter negative amounts using either a negative sign preceding the number eg.-45 or parentheses eg. (45).) (1) Return on assets. Return on assets Amazon.com Wal-Mart Stores % (2) Profit margin (use "Total Revenue"). Profit margin Amazon.com Wal-Mart Stores (3) Asset turnover. Asset turnover Amazon.com times Wal-Mart Stores times