For each employee, first calculate gross pay. Then determine taxable income used to calculate federal income tax withholding, Social Security tax, and Medicare tax. NOTE: For simplicity, all calculations throughout this exercise, both intermediate and final, should be rounded to two decimal places at each calculation. 1: An employee works 47 hours (47 - 40 were overtime hours) during a workweek in December of 2020. He earns $39/hour, with his employer paying 1.5 times the regular rate of pay for overtime hours. To date, he has earned $135,850 during the year. He has requested that his employer withhold 6% of gross pay, which is to be contributed to a 401(k) plan. Taxable income for federal income tax withholding = $ 1,851.33 Taxable income for social security tax = $_ Taxable income for medicare tax = $ 1,969.50 2: An employee works 39 regular hours during a workweek in August of 2020. 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 = $ 3: An employee works 51 hours (51 - 40 were overtime hours) during a workweek in December of 2020. He eams $10,000/month, with his employer paying 1.5 times the regular rate of pay for overtime hours. To date, he has earned $139,000 during the year. He has requested that his employer withhold 9% of gross pay, which is to be contributed to a 401(k) plan. Taxable income for federal income tax withholding = $ Taxable income for social security tax = $ Taxable income for medicare tax = $