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Identification and business activity - Results of the discontinued operations (Details) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Operating income |  |  |
Sales of goods | $ 810,961,000 | $ 801,199,000 | $ 863,470,000
Cost of sales | (732,597,000) | (763,473,000) | (813,106,000)
Gross profit (loss) | (91,248,000) | (61,329,000) | (87,344,000)
Operating income (expenses), net |  |  |
Administrative expenses | (69,183,000) | (67,728,000) | (67,585,000)
Reversal (provision) of contingencies | 6,927,000 | (2,935,000) | (2,687,000)
Depreciation and amortization | 181,039,000 | 176,781,000 | 187,211,000
Total operating income (expenses), net | (70,127,000) | (100,348,000) | (153,302,000)
Operating loss | (21,121,000) | 39,019,000 | 65,958,000
Other income (expense), net |  |  |
Finance costs, note 15(b) | (119,254,000) | (54,136,000) | (60,629,000)
Net gain (loss) from currency exchange difference | (19,375,000) | (26,871,000) | 18,686,000
Deferred income tax | 26,312,000 | 15,592,000 | 44,046,000
Income tax from discontinued operations |  | 41,414,000 |
Profit (loss) from discontinued operations | $ 6,848,000 | $ (478,547,000) | $ 387,604,000
Basic profit (loss) per share, stated in U.S. dollars - Attributable to owners of the parent for discontinued operations | $ (0.03) | $ 1.88 | $ (1.53)
Diluted profit (loss) per share, stated in U.S. dollars - Attributable to owners of the parent for discontinued operations | $ (0.03) | $ 1.88 | $ (1.53)
Discontinued Operations Mining Activities |  |  |
Operating income (expenses), net |  |  |
Changes in provision for closure of mining units | $ (6,991,000) | $ (660,000) | $ (3,021,000)
Administrative expenses | (649,000) | (683,000) | (335,000)
Reversal (provision) of contingencies | (103,000) | (113,000) | (2,136,000)
Gain for sale of Yanacocha investment | 0 | 300,000,000 | 0
Reversal of liability classified as held for sale of Yanacocha | 0 | 265,590,000 | 0
Reversal of unrealized result of Yanacocha | 0 | 356,000 | 0
Depreciation and amortization | 0 | (9,000) | (14,000)
Discontinued operation of Yanacocha | 0 | 0 | (422,394,000)
Changes in environmental liabilities provision | 0 | 0 | (1,014,000)
Others, net | 1,121,000 | 288,000 | (79,000)
Total operating income (expenses), net | (6,622,000) | 564,769,000 | (428,993,000)
Operating loss | (6,622,000) | 564,769,000 | (428,993,000)
Other income (expense), net |  |  |
Finance costs, note 15(b) | (229,000) | (59,000) | (25,000)
Net gain (loss) from currency exchange difference | 3,000 | (2,000) | 0
Profit (loss) before income tax | (6,848,000) | 564,708,000 | (429,018,000)
Current income tax | 0 | (44,747,000) | 0
Deferred income tax | 0 | (41,414,000) | 41,414,000
Income tax from discontinued operations | 0 | (86,161,000) | 41,414,000
Profit (loss) from discontinued operations | $ (6,848,000) | $ 478,547,000 | $ (387,604,000)

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