The following items have been included in arriving at profit before taxation of continuing operations:
| 2020 £m |
2019 £m |
|
| Cost of inventories recognised as an expense | 171.1 | 158.8 |
| Impairment of inventories included in above figure | 1.4 | 2.1 |
| Depreciation of property, plant and equipment | ||
| – owned assets | 6.6 | 5.7 |
| – right of use assets | 3.3 | – |
| Amortisation of intangible assets | 73.9 | 80.9 |
| Profit on disposal of property, plant and equipment | – | (0.3) |
| (Release)/recognition of impairment of receivables | (0.4) | 0.6 |
| Operating lease rentals payable | – | 3.3 |
| Research and development expenditure as incurred | 28.4 | 25.1 |
| Net pension credit in relation to defined benefit pension scheme (see note 23) | – | (2.8) |
| Auditors' remuneration | 1.2 | 1.0 |
| Analysis of total fees paid to the Auditors: | ||
| Audit of these financial statements | 0.6 | 0.4 |
| Audit of financial statements of subsidiaries pursuant to legislation | 0.5 | 0.5 |
| Other assurance services – audit related assurance services* | 0.1 | 0.1 |
| Total fees paid to Auditors | 1.2 | 1.0 |
* This includes £0.06 million (2019: £0.04 million) in relation to the review of the Half-Yearly Report.
During the year a fire occurred at one of the Group's third party logistics provider locations in the Netherlands that resulted in inventory to the value of £6.4 million being destroyed and written off. The inventory write off has been included in the impairment of inventories value above and is offset by amounts recovered through insurance proceeds of £5.3 million and a receivable from the insurers of £1.1 million with no impact on the Income Statement.