(a)Using the Consolidated Statements of Income (or Operations),analyze the profitability of by preparing a common-size income statement for the past six years. In addition, calculate sales growth and operating expense growth for each two year period (2018 vs 2017, 2017 vs 2016 etc) presented, as well as effective tax rates for all years.
Amazon 10-K 2018 Data *14 (EX ) 11 A" A " 27 v IX BI UV V V Av abAv BEE v % 9 00 -20 #FIC X v Off ist Q21 4 X V fx B F G H I J K L M N 0 P Q 2 Months Ended Consolidated Statements Of Operations - USD ($) shares in Millions, $ in Millions Dec. 31, 2018 Dec. 31, 2017 Dec. 31, 2016 Dec. 31, Dec. 31, Dec. 31, 2015 2014 2013 Total net sales $ 232,887 $ 177,866 $ 135,987 107, 006 88, 988 74, 452 Operating expenses: 5 Cost of sales 139,156 111,934 88,265 71, 651 62, 752 54, 181 Fulfillment 34,027 15,249 17,619 13, 410 10, 766 8, 585 7 Marketing Expense 13,814 10,069 7,233 5, 254 4, 332 3, 133 8 Technology and content 28 , 837 22,620 16,085 12, 540 9, 27 6, 565 9 General and administrative 4,336 3,674 2,432 1, 747 1, 552 1, 129 10 Other operating expense, net 296 214 167 171 133 114 11 Total operating expenses 220,466 173,760 131,801 104, 773 88, 810 73, 707 12 Operating income (loss) 12,421 1,106 1,18 2, 233 178 745 13 Interest income 440 202 10 50 39 38 14 Interest expense (1,417 (848) (484) (459) (210) (141) 15 Other income (expense), net (183 ) 346 90 256) (1 18) (136) 16 Total non-operating income (expense) (1,160) (300) (294) (665) (289) (239) 17 Income before income taxes 11,261 3,806 3,892 1, 568 (111) 506 18 Provision for income taxes (1,197) (769) (1,425 (950) (167) (161) 19 Equity-method investment activity, net of tax (96) (22) 37 (71) 20 Net income $ 10,073 $ 3,03 $ 2,371 $ 596 $ (241) $ 274 21 Basic earnings per share $ 20.68 $ 6.3 $ 5.01 $ 1. 28 $ (0. 52) $ 0. 60 22 Diluted earnings per share $ 20.14 $ 6.15 $ 4.90 $ 1. 25 $ (0. 52) $ 0. 59 23 Weighted-average shares used in computation of earnings per share: 24 Basic (in shares) 487 480 474 467 462 457 25 Diluted (in shares) 500 493 484 477 462 465 26 Net product sales 27 Total net sales $ 141,915 $ 118,573 $ 94,665 $ 79, 268 $ 70, 080 $ 60, 903 28 Net service sales 29 Total net sales $ 90,972 $ 59,293 $ 41,322 27, 738 18, 908 13, 549 30 31 32 33 34 35 36 37 38 39 40 41 42 D Consolidated Statements Of Oper Consolidated Statements of Comp Consolidated Statements of Co_2 Consolidated Balance Sheets Consolidated Balance Sheets (Pa Consolidated Stateme +
