Thanks for getting back here, Garryajones1.
I appreciate the details you've provided. Currently, the mark-up amount for the expenses can only be added in one line item. You'll want to look for a third-party application that can do this function.
You can search the applications here: https://desktop.apps.com/home.
If you have other questions with QuickBooks Desktop, we're always around to help. Take care and stay safe.
