How do I add a 3% cc fee to my forms?

I am working on a trip registration form "Duneland Ski Club Park City Trip" using the "product" from template. If a customer pays with their paypal or credit card I need to increase the product by 3%. What widget can I use to do that?

Hello!

The easiest way to do this is adding tax to your payment. I have created a dummy form to show you usage of this. 

1. Firstly, I have added my product list and payments methods like the following

1. From the Product List section, I have clicked the Tax and added base tax rate as 3% and typed Credit card fee as tax text on the form. 

1. Here we are ready, let’s check by previewing the form! As you can see, credit card fee is already added and it gets %3 of subtotal. 

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