You can add or delete a sales rep from Sales Rep Window.
To open Sales Rep window, select “Add/Delete …” item from Sales Rep drop-down list.
And this is Sales Rep window.
To add new sales rep, enter rep id and name in Add tab as follow.
To delete a sales rep, select rep from drop-down list and click Delete button.
When finish add / delete sales rep, click OK button to refresh list of rep in drop-down.