Did you get a 1095A for Marketplace health ins? You might have to pay back some premium credit you got. Check your 1040 return and see if there is any taxes listed on lines 16-23. Or where the $26 is showing up.
Before filing, You can preview the 1040 or print the whole return
https://ttlc.intuit.com/community/accessing/help/how-do-i-preview-my-turbotax-online-return-before-f...
