GR Designs, a manufacturing company, hires employees ranging in age from 14 to 25. Which practice by GR would ensure that it complies with child labor laws?

A) The employees are all paid the same amount.
B) The teenage employees earn a training wage for the first year.
C) Only the workers over 20 earn overtime pay.
D) All the employees have part-time schedules.
E) The employees aged 14 and 15 work only in office jobs and for limited time periods.

Child labor laws typically place restrictions on the type of work, hours, and conditions that minors can be employed in. Allowing employees aged 14 and 15 to work only in office jobs and for limited time periods would ensure compliance with child labor laws, as office jobs are generally considered safe for minors and limits on hours worked would prevent them from exceeding any maximum work hour limits set by legislation. The other choices do not specifically address compliance with child labor laws.