This is one from the Feature Request area
The latest update contains a new setting in the “PayPal” screen. You can now charge an extra fee for PayPal payments.
The fee can be based on a percentage or a fixed amount (or both combined). The fee will show up on the Admin Invoice, the External Invoice and the PDF Invoice.
Here are some screenshots:
You can also change the “Additional Charge” to a negative number if you would like to offer a discount for paying via PayPal, here’s a screenshot:
If you have any feedback about this new feature please get in touch on the forums.