Segment Contribution Margin Analysis

Amazon.com, Inc. $($AMZN$)$ organizes its operations into three segments: North America, International, and Amazon Web Services $($AWS$).$ The North America and International segments primarily report amounts earned from online consumer retail sales. The AWS segment offers a broad set of technology services, including computing, storage, database, analytics, and other cloud$-$based services. For a recent year, Amazon reported the following segment results $($in millions$)$:

$\backslash$table$[[,\backslash$table$[[$Segment$],[$North$],[$America$]],\backslash$table$[[$Segment$],[$International$]],\backslash$table$[[$Segment$],[$AWS$]],$Total$],[$Sales$,$$$236,282,$$$104,412,$$$45,370,$$$386,064$