Business add fees when they sale products in accordance to the law and some business charge fees when to run credit cards.
Now you are able to create and add Fees to the sale on the POS
Check the box "Fees" then from the drop down select "ADD NEW FEE"
The Fee Popup will appear then you can name your Fee. then you select if your Fee is either going to be Amount or Percentage.
Amount: Set dollar amount you want your Fee to charge
Percentage: Percent amount you want your Fee to charge.
Select OK and the Fee will be added to sale.