Operating profit is stated after charging the following: | | | | | | | | | | | Note | | 2023 GBPm | | 2024 GBPm | | 2025 GBPm | Total staff costs | | 5 | | 3,108 | | 3,120 | | 3,175 | Depreciation and amortisation | | | | | | | | | Amortisation of acquired intangible assets | | 14 | | 279 | | 258 | | 248 | Share of joint ventures and associates' amortisation of acquired intangible assets | | | | 1 | | - | | - | Amortisation of acquired intangible assets including joint ventures and associates' share | | | | 280 | | 258 | | 248 | Amortisation of internally developed intangible assets | | 14 | | 330 | | 364 | | 352 | Depreciation of property, plant and equipment | | 16 | | 43 | | 34 | | 26 | Depreciation of right-of-use assets | | | | 65 | | 50 | | 37 | Amortisation of pre-publication costs | | | | 76 | | 77 | | 89 | Total depreciation and other amortisation | | 2 | | 514 | | 525 | | 504 | Total depreciation and amortisation (including amortisation of acquired intangibles) | | | | 794 | | 783 | | 752 | Other expenses | | | | | | | | | Cost of sales including pre-publication costs and inventory expenses | | | | 3,216 | | 3,300 | | 3,233 | Short-term and low value lease expenses | | | | 18 | | 16 | | 15 |
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