The payroll deductions are calculated using the IRS tables and any additional withholdings as indicated on the W4. If your salary increases, the tax withholding is adjusted in their system based on what the projected year end amount would be. It may be possible that withholding is incorrect, this most likely would occur if there was an entry error.
**Say "Thanks" by clicking the thumb icon in a post
**Mark the post that answers your question by clicking on "Mark as Best Answer"
