Using the data in Extract B (Figure 1), calculate how much a median delivery courier earns for every pound earned by a median worker in the whole economy. Give your answer to the nearest penny.
| Percentile | Delivery couriers | Whole economy |
|---|---|---|
| 10th | £10.42 | £10.42 |
| 25th | £10.50 | £12.80 |
| 50th | £10.95 | £17.50 |
| 75th | £12.30 | £25.60 |
| 90th | £14.50 | £36.20 |