A company hires employees ranging in age from 14 to 25. Which practice by the company would ensure that it complies with child labor laws? A. Only the workers over 20 earn overtime pay. B. All the employees have part-time schedules. C. The employees aged 14 and 15 work only in office jobs and for limited time periods. D. The teenage employees earn a training wage for the first year. E. The employees are all paid the same amount