which is sales on this statement? is revenue the sales? for profit margin ratio= net income/sales

Years ended December 31, 2019, 2018 and 2017 Jall 2019 2018 2017 amounts in millions, except per share amounts 13.458 14,070 10,404 $ 8,899 844 9,209 970 6,789 659 1,188 1,758 1,167 606 13,274 184 1,897 33 637 12,746 1,324 725 9,361 1,043 Total revenue, net Operating costs and expenses: Cost of retail sales (exclusive of depreciation shown separately below) Operating expense Selling, general and administrative, including stock-based compensation and transaction related costs..... Impairment of intangible assets and long lived assets Depreciation and amortization Operating income Other income (expense): Interest expense Share of earnings (losses) of affiliates, net. Realized and unrealized gains (losses) on financial instruments, net (note 6) Gains (losses) on transactions, net. Tax sharing income (expense) with GCI Liberty, Inc. F-Other, net.. Earnings (loss) from continuing operations before income taxes. Income tax (expense) benefit (note 10) Earnings (loss) from continuing operations Earnings (loss) from discontinued operations, net of taxes (note 5). Net earnings (loss). Less net earnings (loss) attributable to the noncontrolling interests. -.-ritahle to Ourate Retail, Inc. shareholders (381) (162) 76 (355) (200) 145 410 32 (374) (160) (251) (1) (26) 6 (806) (622) 217 (405) (441) 883 (60) 823 141 964 48 916 7 7 1,050 985 2,035 452 2,487 46 2.441 (405) 5+ (456) QURATE RETAIL, INC. AND SUBSIDIARIES Canealidad