Step-1: Click on New -> Configuration-> Pricing Elements. Pricing Elements window will appear.
Step-2: Fill the details and click on Save button.
Click on Configuration-> Price Elements. Price Elements list will appear.
Step-1: Select the price element from price elements list that you want to edit. Right click and select Edit Pricing Elements option. Pricing Elements form will appear.
Step-2: Edit the details and click on Save button.