Q: How do I reverse a sale to process a refund or exchange?

A: The "Reverse a Sale" function is used to process refunds, exchanges, or correct errors. To use it:

1. Find the completed transaction in the sales listing screen.
2. Select the transaction and tap "Reverse Sale."
3. Choose your name from the staff list.
4. If the customer is making an exchange, add the new products to the sale.
5. Press "Pay."
6. You will be asked if the items are going back into stock. Tap "Yes" for items being restocked, or "No" if they are faulty.
7. Select the payment type for any refund that is due.
8. Finalize the reversed sale.