Get your taxes done using TurboTax

if you purchase the downloaded version of TT, which is available now, you can run your incomes through the software and determine whether each filing single or filing joint makes better sense in 2019.  It's a small investment to determine that answer.  There are a lot of things that are not yet up-to-date in the 2019 software, but unless there is something ultra complicated in your return, it's unlikely to make a material difference,