There's nothing to "do" but pay what you owe. You have to check your paystubs each pay period to avoid this type of thing at year end.
They didn't withhold any federal taxes, so you essentially got your refund already in your paycheck since they didn't withhold any taxes, actually you got too much in your paycheck if you ended up owing at year end..
♪♫•*¨*•.¸¸♥Lisa♥ ¸¸.•*¨*•♫♪
