| Monthly salary ?/b> | % of people receiving it | Total expenditure ?/b> |
| 893 = average to start with | 100 | 250 persons × 893 = 223,250 |
| 1786 (× double) | 35 (rounded) | ~87p. × 1786 = 155,382 |
| 2679 (×3 times) | 19 | ~47p. × 2679 = 125,913 |
| 3572 (×4 times) | 12.5 | ~31p. × 3572 = 110,732 |
| 4465 (×5 times) | 9 | ~22p. × 4465 = 98,230 |
| 8930 (×10 times) | 3.2 | 8p. × 8930= 71,440 |