From the SAP Easy Access Menu: Accounting è Controlling è Cost Center Accounting è Master Data è Cost Center group è Create

Enter your company code when prompted to do so.

Create a new Cost Center Group called Sales _ _. Click the Enter button and you will be on the following screen:

Enter the name of the Cost Center Group: Sales cost centers.

Then click on the Cost Center button.

Group together the sales cost centers (type V) that you previously created by entering the value interval of A030-A040. Click the Enter button and Save.