A page will appear with a space on the left where you can enter
the description of the service you are purchasing
(e.g., the class, workshop, group, or coaching session)
and can enter its published or agreed-upon price on the right.

Then choose a payment option and enter the required information.
You can use your existing PayPal account, open one if you don't already have one,
or choose to pay directly with the credit card of your choice.