On: Thanks for the Bonus, I Quit

[kec]

How? Company should withhold just as they would any other pay. Even if you get dumped on and it bumps you up a bracket it likely won’t have a huge impact as you’ll likely not have a ton of pay in that bracket.

[jonny_eh → kec]

Companies often withhold a flat-rate on bonuses, and it's wildly different from your calculated withholding based on your actual tax bracket.