We can use cost element group if we want to define the cost of specific element and item within cost element group.
Create
Step-1: Click on Home -> New-> Cost Element Group. Cost Element Group form will appear.
Step-2: Fill the details and click on Save.
List
Step-1: Click on Costing -> List Cost Element Groups. List Cost Element Groups list will appear.
Edit
Step-1: Select the element name from cost elements groups list that you want to edit. Right click and select Edit Cost Element Group option. Cost Element Group form will appear.