Hi Sollars Marine,
Allow me to chime in and provide further explanation.
QuickBooks Self-Employed (QBSE) looks at your current income and allowable expense to figure the profit. Some types of expenses aren't business allowable. This depends on the business operation, entity, and local regulations that apply.
You can check out these articles that will provide more information:
I recommend consulting your accountant for help claiming this expense to make it allowable.
That should do it. Please let me know if you have further questions. I'm always here to help.