Company A sells airtime and infomercials on television. It employs telephone callers at $9 per hour. Company B, which is owned by the same parent company, does telephone collection calling of its clients' debtors, paying the same hourly rate of $9. Employee C works 40 hours per week for Company A. He is also employed evenings for a total of 10 hours per week for Company B. Should Company B be required to pay Employee C time-and-one-half for overtime compensation?