Amazon.com, Inc. Income Statements For the Years Ended December 31 The horizontal analysis shows that total revenues between the two years, with a strong in service sales. Service sales are revenues earned from Amazon's Web hosting, Web design, and order fulfillment services provided for other businesses. This part of Amazon apparently Total operating expenses have grown between the two years, indicating that expenses are growing than revenues. The expense growth appears to be occurring across all the major expense categories. The net result is a significant in operating income between the two vears. Thus. Amazon demonstrates significant