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Goodwill (Tables) | 12 Months Ended
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Dec. 31, 2021
Changes in goodwill [abstract] |
Summary of key assumptions used for assessing the recoverable amount of goodwill |
| 2021 | 2020
Gold price ($/oz) | $1,800-$1,550 | $1,850 - $1,550
Discount rate | 5% - 6% | 5% - 6%

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