Which of the following exemplifies a modular structure?

Multiple Choice

A hospital group categorizes workers based on the type of health care specialty, such as

emergency or oncology, and uses teams of people from various departments for collaborative

problem$-$solving.

An airplane manufacturer contracts with many suppliers, each responsible for one component or

assembly, which are then integrated to make the aircraft.

A cooler manufacturer focuses on product development and testing and contracts the

manufacturing, distribution, and marketing functions.

A restaurant chain splits workers into regions based on the location of their restaurant.