Open ‘Preferences’ under the ‘File’ tab.

Setup Surcharge Option

Choose Surcharge Type and Enter the percentage or amount

Minimum Sale Amount: Fixed amount The surcharge will be applied if card payment amount is under a specific amount. And surcharge amount is fixed like a 0.20 (20 cent).
Minimum Sale Amount: Fixed Percentage The surcharge will be applied if card payment amount is under a specific amount. And surcharge amount is percentage of card amount. 1 means 1%.
Fixed Percentage The surcharge will be applied to card payment amount with fixed a percentage. 1 means 1%.

Surcharge Applying Payment Screen

If the surcharge is activated, surcharge screen will be displayed on payment screen.