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Production Costs | 12 Months Ended
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Dec. 31, 2020
Analysis of income and expense [abstract] |
Production Costs | 22. PRODUCTION COSTS
Production costs are comprised of the following:
| 2020 | 2019
Consumption of raw materials and consumables | $ | 284,215 |  | $ | 311,812 |
Employee compensation and benefits expense (1) | 262,753 |  | 271,684 |
Contractors and outside services | 125,242 |  | 117,018 |
Utilities | 39,242 |  | 41,674 |
Other expenses | 18,198 |  | 74,469 |
Changes in inventories (2)(3) | (32,978) |  | 24,640 |
| $ | 696,672 |  | $ | 841,297 |
(1)Employee compensation and benefits expense is comprised of:
| 2020 | 2019
Wages, salaries and bonuses | $ | 317,668 |  | $ | 288,015 |
Share-based compensation | 3,024 |  | 4,448 |
Total employee compensation and benefit expenses | 320,692 |  | 292,463 |
Less: Expensed within Care and Maintenance expenses | (37,695) |  | — |
Less: Expensed within General and Administrative expenses | (17,180) |  | (16,156) |
Less: Expensed within Exploration expenses | (3,064) |  | (4,623) |
Employee compensation and benefits expenses included in production costs | $ | 262,753 |  | $ | 271,684 |
(2)Includes NRV adjustments to inventory to reduce production costs by $16.2 million for the year ended December 31, 2020 (2019 - reduce by $0.4 million). (3)Includes the sale of inventory with fair value increases of $3.5 million for the year ended December 31, 2020 (2019 - $43.4 million) resulting from the Tahoe Acquisition (Note 8).

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- Definition The disclosure of the cost of sales. [Refer: Cost of sales] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2020-01-01 -Paragraph 10 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_10_e&doctype=Standard -URIDate 2020-01-01 + Details
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