I admire you for taking the time in telling us about your concern, @aces. I'll make sure you'll be guided to the right support available.
With regards to the credits related to your subscription, I'd suggest contacting our Payroll Support Team. They have full access to your account and can review the fee. They can also process a refund if necessary.
Moreover, you can check out this article to view the lists of available features for this Payroll service: See what you can get with QuickBooks Online Payroll Core.
Also, I have included an article that contains information about the payroll transition: Move from Intuit Online Payroll to QuickBooks Online Payroll Core.
You can always count on me if you need more help with moving to QBO Payroll Core. Simply add them in your reply and I'll take care of them for you. Keep safe and have a great day!