It looks like you are in the TurboTax Deluxe product, which is $59.99 to file your federal taxes. TurboTax has different products based on your tax complexity, there is likely a form or situation that caused you to file with the Deluxe product. I'm including the details to the TurboTax Product guide below for reference.
https://ttlc.intuit.com/replies/3300068