The simplest explanation would be that you did not have enough federal and/or state tax withheld from your paychecks during the year, so now you owe. We cannot see your tax return or your W-2. Without any personal information, if you tell us your filing status (single, married,...etc ...any dependent children?) and what is in box 1 and box 2 of your W-2 we can start there to see.
**Disclaimer: Every effort has been made to offer the most correct information possible. The poster disclaims any legal responsibility for the accuracy of the information that is contained in this post.**
