Final answer:
Time cards are used by the payroll department to record employees' worked hours, which is essential for accurate payment including overtime.
Step-by-step explanation:
Time cards can primarily be used by the payroll department to record employees' worked hours. They are a fundamental tool in the process of determining the amount of time an employee has worked during a pay period. Time cards help ensure that employees are paid accurately for their time, including any overtime they might have worked. They do not, however, typically provide information necessary for calculating employee bonuses, determining employee benefits, or estimating employee taxes without additional data.