Growth program lines, which are calculated as growth over a baseline value or volume, have an additional setting of Fully retrospective?.
When the Retrospective? checkbox is set with the Fully retrospective? checkbox left blank, the percentage rate will only apply to the excess transaction value compared to the growth, i.e. the transaction value minus the baseline value.
If both the Retrospective? and Fully retrospective? checkboxes are set, then the percentage rate will be applied historically to update the earnings for all qualifying transactions.
For example, a program line has growth target type of % by value with the following target bands:
| Turnover Target, % | Rate, % |
| 110 | 2 |
| 115 | 3 |
| 120 | 4 |
If for the above program line the total for included transacted value is £2,350,000 and the baseline value is £2,000,000 (such that the % growth by value is 2,350,000 / 2,000,000, or 117.5%), Enable will calculate the earnings as:
- 3% x £2,350,000 = £70,500 if the Fully retrospective? checkbox is set.
- 3% x (£2,350,000 - £2,000,000) = £10,500 if the Fully retrospective? checkbox is left blank but the Retrospective? checkbox is set.
- 2% x £2,000,000 x (115% - 110%) + 3% x £2,000,000 x (117.5% - 115%) = £3,500 if the Fully retrospective? and Retrospective? checkboxes are both left blank.