Locate John Smith in the list of customers on Customer Summary form.
Note: you can add and apply filters to search customers by one or combination of the following parameters: first name, last name, organization, email, phone, balance, status.
Click Settings button.
Locate Billing Activity Summary form.
Click Add Credit button.
Enter 4999 into the Amounttextbox.
Enter notes into the Note textbox.
Click Savebutton .
Congratulations, you are done!
You have learned how to add a credit. Now you can do this by yourself.