How to update credit options
You can use the five options to set how many credits a customer can purchase to add to their account. This option is only applicable for users of the old calendar customer website.
Example: You can offer £110 credits for a price of £100, effectively giving a discount, or charge a price of £107 for £100 credits to recover the PayPal transaction fees.
1.Go to Settings > Financial > Credit options.
2. Decide if you want to Use individual price band credit options and whether you would like to Display the fifth global credit option on the customer's login welcome screen.
3. Click Update credit options.