1. Use the Tours → Groups item from the main menu.
2. Find the desired group.
3. Double click the row or click the Edit icon.
4. Find the desired subgroup.
5. Double click the row or click the Edit icon.
6. Go to Calculation tab.
7. Click Recalculate button.

NOTE: This option is used if a price list from an object you used in the subgroup calculation has changed. To apply new prices, use this option.