You need customer support to help with billing issues. They are available Monday - Friday 5 a.m. to 5 p.m. Pacific time. Make sure in your request for help that you mention "billing" and not "refund" or your request will be mis-directed.
To call TurboTax customer support
https://ttlc.intuit.com/questions/1899263-what-is-the-turbotax-phone-number
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