| r1 | n1 | r2 | n2 | r3 | n3 | r4 | n4 | Profit (£) | Offer |
| 1 | 3 | 5 | 6 | 4 | 7 | 2 | 7 | 20.8264 | 10% |
| 2 | 3 | 5 | 6 | 4 | 7 | 2 | 7 | 48.5903 | 10% |
| 3 | 3 | 5 | 6 | 4 | 7 | 2 | 7 | 83.2917 | 10% |