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PSb 3-4 Calculate Federal Income Tax Withholding Using the Percentage Method (Pre-2020 Form W-4) For each employee listed, use the percentage method to calculate federal income tax withholding for an employee who has submitted a pre-2020 Form W-4.Refer to Publication 15-T. NOTE: For simplicity, all calculations throughout this exercise, both intermediate and final, should be rounded to two decimal places at each calculation. 1: Juan Hoffman (single, 2 federal withholding allowances) earned weekly gross pay of $445. Federal income tax withholding - $ 2: William Harrison (single, 1 federal withholding allowance) earned biweekly gross pay of $990 He contributes $75 to a flexible spending account during the period. Federal income tax withholding = $ 3: Loretta Goulet (married; 3 federal withholding allowances) eamed monthly gross pay of $2,800. For each period, she makes a 401(k) contribution of 14% of gross pay Federal income tax withholding = $ 4: Louise Simpson (married, 9 federal withholding allowances) earned semimonthly gross pay of $2,300. She contributes $100 to a cafeteria plan during the period. Federal income tax withholding = $