Leonard and Carol are both managers at a home improvement store. Leonard oversees the flooring, lighting, appliances, and hardware departments. Carol provides each of these departments with advice and support in the areas of finance and human resources. Which of the following is true regarding Leonard and Carol's roles in the company?

Carol has direct authority over Leonard and his subordinates.

Leonard is a line manager, while Carol is a staff manager.

Leonard and Carol are both line managers, who focus on their area of expertise in the operation of the business.

Leonard is a staff manager, while Carol is a line manager.