After you file

The $40 was not the Turbo Tax fee.   The $40 was the extra Pay with Refund service charge to have the regular fees deducted from your refund.   And since that didn’t happen you actually saved the extra $40. 

How to review your fees

https://ttlc.intuit.com/community/charges-and-fees/help/how-do-i-review-my-fees-in-turbotax-online/0...