When your first create a Business you will be required to create First and Follow Up charges. From within the Business, you change these or add more charges to the Business if you require.
In order to add charges. First Search for the Business, and Click on View.
You will then be presented with the different Locations and charges set for the Business.
If you wish to change the First and Follow up charges, you will first need to remove them. You can then Add Charges
The below pop-up will appear. Your first and follow up charges will already be selected. You can then add more by clicking the checkbox, once you've chosen your charges click Add Selected.