| Net finance expense (income) |
21. Net finance expense (income) | | | | | | | | | | | Three-month | | Three-month | | Nine-month | | Nine-month | | | period ended | | period ended | | period ended | | period ended | | | May 31, | | May 31, | | May 31, | | May 31, | | | 2026 | | 2025 | | 2026 | | 2025 | | | $ | | $ | | $ | | $ | Interest and bank charges | | 588,320 | | 50,387 | | 2,425,204 | | 106,373 | Interest income | | (75,290) | | (102,404) | | (123,264) | | (131,110) | Foreign currency exchange | | (58,388) | | 417,971 | | (155,989) | | 399,049 | Transaction costs [notes 16 and 19] | | — | | — | | 771,775 | | 745,248 | Gain on derivative liabilities [note 16] | | (400,489) | | 24,931 | | (3,312,380) | | (2,216,128) | Loss on valuation of contingent consideration [note 16] | | 315,331 | | — | | 782,126 | | — | Litigation settlement costs | | — | | 2,045,000 | | — | | 2,045,000 | | | 369,484 | | 2,435,885 | | 387,472 | | 948,432 |
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