Could be $40 if you want the Turbo Tax fees deducted from your federal refund. Are you using the Online version or the Desktop Download? Pay upfront with a credit card to avoid the extra charge.
For Online, How to review your fees
https://ttlc.intuit.com/community/charges-and-fees/help/how-do-i-review-my-fees-in-turbotax-online/0...
How to remove the Pay with Refund fee
https://ttlc.intuit.com/community/downgrading/help/how-do-i-remove-pay-with-my-refund-fees-in-turbot...
