Purpose:
Ensure modifiers are grouped and aggregated correctly per item.

Steps:

1. Review modifier grouping rules in item configuration.
2. Confirm modifiers belong to the correct modifier groups.
3. Verify aggregation settings (per item vs shared).
4. Correct any incorrect grouping rules.
5. Save configuration changes.
6. Restart the kitchen display application.
7. Send a test order with multiple items and modifiers.
8. Confirm correct grouping on the display.

Result:
Modifiers group correctly under their respective items.

If Not Resolved:
Proceed to P-000083-05.