Get your taxes done using TurboTax

go into the form view and select the 2210. Go down where TT "accidentally" indicated C that your income varied, right click on the X and hit override, then click on the X again to remove it. Also, under #9, indicate no you do not owe a penalty. then go to the step-by-step view and it will indicate no errors on the error check, then just make sure it doesn't file with the 2210.