TurboTax said we owed. ACA Premium Credits. IRS returned payment we sent, PLUS refund we would've received if premiums ignored. TurboTax charged for erroneous return?

ACA credits used Jan-Aug 2020. Sept-Dec was Medicare for affected spouse/taxpayer. We had to assemble a large tax payment to send to IRS, that hurt. 1st time we used TT because of Medicare beginning and an energy credit. Otherwise TT never calculated anything different than I did over the years. (compared my completed tax return to TT's the past few years.) Wanted to make certain return filed properly. What did I pay $110 for? Won't use TT again. Thanks.