Question 16: Anna is a newly hired employee of Cowboy Inc. Which statement regarding her employment is accurate? Answer: A. B. C. D. Anna can complete either version of Form W-4, and her employer must use the percentage method to calculate her federal withholding tax. Anna must complete the current Form W-4, and her employer will use either the percentage or the wage-bracket method to calculate her federal withholding tax. Anna can complete either version of Form W-4, and her employer must use the wage-bracket method to calculate her federal withholding tax. Anna must complete a pre-2020 Form W-4, and her employer will use either the percentage or the wage-bracket method to calculate her federal withholding tax.