An employee works 39 regular hours during a workweek in August of 2021. He was hired six years ago, earns a salary of $116,500/year, and is exempt from the overtime provisions of the FLSA. To date, he has received no compensation beyond his annual salary. He has requested that his employer withhold 12% of gross pay, which is to be contributed to a 403(b) plan.

Taxable income for federal income tax withholding = $ Taxable income for social security tax = $ Taxable income for medicare tax = $