You must have requested to pay the TurboTax account fees with the federal tax refund in Step 1 of the File section. The service charge for this optional service is $39.99
See this TurboTax support FAQ for removing the pay with refund fees - https://ttlc.intuit.com/community/downgrading/help/how-do-i-remove-pay-with-my-refund-fees-in-turbot...
