How to add costs to an user

Go to People > Users.
Click on the name of the user.
In the More dropdown, Click Edit internal costs & external prices.
Either create a new cost or edit existing one by:
- Click New Cost/Price or
- Click the pencil icon of the cost you want to edit.
  
  Note: Same cost type may have only one value for a certain time period. Edit the cost if value already exists for that cost type and period.
In the cost form, select Type and add Cost.
Fill in other necessary information.
Click Save.