• For 2019, estimate the percentage of Amazon's Sales ending up as Net Income (Loss).
• For 2019, estimate the percentage of Amazon's Sales going to pay for the costs of the goods being sold.
• For 2019, summarize the specific criteria necessary before Amazon will recognize a sale as having been completed, and record the related revenue.
• For 2019, discuss how Amazon accounts for (reports on its income statement) the shipping costs it incurs to ship goods to its customers

AMAZON.COM, INC. CONSOLIDATED STATEMENTS OF OPERATIONS (in millions, except per share data) Year Ended December 31, 2017 2018 2019 $ 118,573 $ 59,293 177,866 141,915 $ 90,972 232,887 160,408 120,114 280,522 Net product sales Net service sales Total net sales Operating expenses: Cost of sales Fulfillment Technology and content Marketing General and administrative Other operating expense (income), net Total operating expenses Operating income Interest income Interest expense Other income (expense), net Total non-operating income (expense) Income before income taxes Provision for income taxes Equity-method investment activity, net of tax Net income Basic earnings per share Diluted earnings per share Weighted average shares used in computation of earnings per share: Basic 111,934 25,249 22,620 10,069 3,674 214 173,760 4,106 202 (848) 346 (300) 3,806 (769) 139,156 34,027 28,837 13,814 4,336 296 220,466 12,421 440 (1,417) (183) (1,160) 11,261 (1,197) 165,536 40,232 35,931 18,878 5,203 201 265,981 14,541 832 (1,600) 203 (565) 13,976 (2,374) (14) 11,588 23.46 23.01 9 $ (4) 3,033 $ 6.32 $ $ 10,073 $ 20.68 $ 20.14 $ $ 6.15$ 480 487 494 Diluted 493 500 504 See accompanying notes to consolidated financial statements