How to add new additional charge after creating Invoice on web?

To add new additional charge after creating Invoice, please follow the below mentioned steps:

Step 1: Select the invoice >> Click on More >> Click on Edit

Step 2: Click on Additional Charges >> Click on Add New Charges

Step 3: Go to Additional Charges >> Click on New Custom Additional Charge

Step 4: Fill in the details >> Save

Step 5: Now, click on Additional Charges >> Click on Add from existing charges

Step 6: Select the charge >> Fill in the details >> Save