his bill and gives a tip.
The guest has to pay 35,20 € and gives 40,00 €. Click normally on the button Pay. The followin... unt percentage if, for example, you want to give 10%. Or change the unit price if you say, for example, the item should be 20ct cheaper. Or change the total price if, for exa... booked or if the guest gets a total discount of 10% on everything, select the button Discount during