Amazon.com, Inc.'s financial statements are presented in Appendix D. Click here to view Appendix D. Financial statements of Walmart, Inc. are presented in Appendix E. Click here to view Appendix E. The complete annual reports of Amazon and Walmart, 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, compute free cash flow for each company. (Enter answers in millions. Show amounts that decrease cash flow with either a - sign e.g. -15,000 or in parenthesis e.g. (15,000).) Amazon Walmart Free cash flow $ 9,706 $ 20,911 Amazon.com, Inc.'s financial statements are presented in Appendix D. Click here to view Appendix D. Financial statements of Walmart, Inc. are presented in Appendix E. Click here to view Appendix E. The complete annual reports of Amazon and Walmart, 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, compute free cash flow for each company. (Enter answers in millions. Show amounts that decrease cash flow with either a - sign e.g. -15,000 or in parenthesis e.g. (15,000).) Amazon Walmart Free cash flow $ 9,706 $ 20,911