For each employee listed, use both the wage-bracket method and the percentage method to calculate federal income tax withholding for an employee who has submitted a pre-2020 Form W-4. Show all work for each method.

1. Warren Cavanagh (single; no federal withholding allowances) earned weekly gross pay of $620. For each period, he makes a 401(k) retirement plan contribution of 5% of gross pay.

2. Stacey Vaughn (married; four federal withholding allowances) earned daily gross pay of $275. For each period, she makes a 401(k) contribution of 8% of gross pay.

3. Jordan Peters (single; three federal withholding allowances) earned monthly gross pay of $2,300. He contributed $150 to a flexible spending account during the per