Thank you for the response, but it doesn't explain the dramatic increase in the calculated penalty the second time around. And if nothing else, the use of the word "still" is incorrect if the penalty amount is changing.
TT: You owe a $25 penalty
Me: Enter data to try to reduce the penalty
TT: That doesn't reduce it, you still owe $293
Me: Reenter the exact same data a second time
TT: That doesn't reduce it you still owe $464
So I'm letting California calculate it since their answer is definitive anyway, but I still don't trust TurboTax's calculation.
