Change a Service Activity into an Internal Service Activity
        To make a service activity 
 exclusively an internal service for your company:
        
            - In the Home window, 
 in Inventory and Service, click the Modify Inventory 
 and Services icon.
 
            - Select an activity 
 from the list and click OK.
 
            - Select the Internal Service Activity box.
 
        
        Note: You cannot make a 
 service activity an internal activity if it has already been used in a 
 transaction.