Ahospital's permanent accounting department and customer service department are examples of

The answer is functional.

Functional groups in working context, means a group of people that are categorized by their work function – or more specifically the specialized work field that they are responsible for.

This is apparent in the example, with classifications such as accounting department and customer service department. Other examples would be marketing department and research & development department.

the correct option is c

answer; /// the use of a bank credit card to make purchase;