An employee works 49 hours (49 - 40 were overtime hours) during a workweek in December of 2020. He earns $8,500/month, with his employer paying 1.5 times the regular rate of pay for overtime hours. To date, he has earned $114,900 during the year. He has requested that his employer withhold 12.5% of gross pay to contribute to a 403(b) plan. Taxable income for federal income tax withholding = $ Taxable income for social security tax = $ Taxable income for medicare tax = $