Continuing Company Analysis-Amazon: Horizontal analysis ADM-1 is the largest Internet retailer in the United States. Amazon's incom ents through income from operations for two recent years follow: Amazon.com, Inc. Operating Income Statements For the Years Ended December 31 (in millions) Year 2 Year 1 Product sales $70,080 $60,903 18,908 13,549 Service sa $88,988 $74.452 Cost of sales $62,752 $54,181 8,585 10,766 4,332 3,133 Technology and content General and administrative 9,275 6,565 1,129 . . . . 1,552 133 114 88,810 $73 707 S 178 745 Income from operations A. Prepare a horizontal analysis of the operating income statements. CRound percentages to one decimal place.) B. Interpret the resuis of the horizontal analysits