Analyze and compare

Amazon.com, Best Buy, and Walmart

Amazon.com, Inc. $($AMZN$)$ is one of the largest Internet retailers in the world. Best Buy Co$.,$ Inc. $($BBY$)$ is a leading retailer of consumer electronics and media products in the United States, while Walmart, Inc. $($WMT$)$ is the leading retailer in the United States. Amazon, Best Buy, and Walmart compete in similar markets. Best Buy and Walmart sell through both traditional retail stores and the Internet, while Amazon sells only through the Internet. Sales and cash flow information from recent annual reports for all three companies is as follows $($in millions$)$:

$\backslash$table$[[$Sales$,$Amazon,Best Buy,Walmart$],[$Net cash flows from operating activities,$$160,408,$$$43,638,$$$523,964$