Thanks for getting back to us, @2robertc.
@GarlynGay is right that you need to export to Excel the report, then manually edit from there.
Since you're working with multiple classes, I suggest memorizing this reports. By doing so, you don't have to go through the customization process again.
Just a heads up, QuickBooks Desktop memorized the report settings, not the data in the report.
Here's how to create a memorized report:
To learn more about this process, you can go through this article: Create, access and modify memorized reports.
Please don't hesitate to come back whenever you need additional information. The Community is always available to help.