3 STEPS
1
The first step is to open Dex. and click Locations
Full access users view will be different from those who have disputes only access, however, the steps to access billing is the same.
2 Click on your location. It will list your merchant account name and location ID
3 The Billing tab will show all your pricing details for the location you clicked on. That's it. You're done.
Here's an interactive tutorial