How does the company/job that you work for know how much money they should hold from your paycheck (withholdings) so that your taxes are withdrawn on your behalf throughout the year? Describe that process to the best of your ability.

a) By using a fixed percentage set by the government for all employees.
b) Calculating based on the employee's requested withholding amount.
c) Using the employee's salary and the information provided on the W-4 form.
d) Randomly withholding a portion of each paycheck as taxes.