Amazon.com, Inc. is the largest Internet retailer in the United States. Amazon's income statements through income from operations for two recent years are as follows (in millions):

A. Prepare a vertical analysis of the two operating income statements. (Round percentages to one decimal place.)
B. Use the vertical analysis to explain the decrease in income from operations.

Amazon.com, Inc. Operating Income Statements For the Years Ended December 31 (in millions) Year 2 Year 1 70,080$60, 18.908 13,549 $88,988 74452 $54,181 8,585 3,133 6,565 1,129 114 $73,707 $745 $62,752 10,766 4,332 9,275 1,552 133 $88,810 $178 Fulfillment Marketing Technology and content