Table:
|  |  | 2019 | (Restated) 2018 |
| --- | --- | --- | --- |
|  | Note | £m | £m |
| Staff costs | 7 | (56.0) | (54.5) |
| Contractor costs |  | (0.4) | (0.4) |
| Depreciation of property, plant and equipment | 14 | (4.9) | (4.9) |
| Amortisation of intangible assets | 13 | (4.0) | (4.1) |
| Profit on sale of property, plant and equipment |  | 0.1 | – |
Paragraphs:
6. Operating profit
The Group has identified a number of items which are material due to the significance of their nature and/or amount. These are listed separately here to provide a better understanding of the financial performance of the Group:
Following the application of IFRS 16, depreciation of property, plant and equipment has been restated for the year ended 31 March 2018 (note 2).
Question:
Why are some of the items identified by the group considered material?
Answer: due to the significance of their nature and/or amount. These are listed separately here to provide a better understanding of the financial performance of the Group