Discount is split across every hijab in the deal.
1. Tap each hijab in the deal
2. Check the ones coming back
3. Confirm against the receipt
Refund
Swapping for the same price? Do an exchange, no refund needed.
Other items on the receipt? Only add the hijabs that were part of the deal.
In Shopify: select the returned hijabs, then change the refund amount to the total above.