Amazon.com, Inc.Operating Income StatementsFor the Years Ended December 31(in millions)Year 2Year 1Product sales $70,080 $60,903 Service sales 18,90813,549 Total sales $88,988 $74,452Cost of sales $62,752 $54,181 Fulfillment 10,7668,585 Marketing 4,3323,133 Technology and content 9,2756,565 General and administrative 1,5521,129 Other operating expense (income), net 133114 Total operating expenses $88,810 $73,707 Income from operations $178 $745

Required:

a.Prepare a vertical analysis of the two operating income statements. Round percentages to one decimal place.

Amazon.com, Inc.Operating Income StatementsFor the Years Ended December 31 (in millions)Year 2Year 1amount and percentage