The operations manager at a large regional electric cooperative has implemented a procedure, which she hopes will increase member satisfaction with the services delivered by her staff. She began by issuing a memo to each member of her staff emphasizing the importance of increasing member satisfaction with their services, and describing penalties for employees whose performance is weak in this area. She has followed that up by providing a verbal reprimand as well as a written warning to any staff member who is observed behaving antagonistically toward members. Which of the following sources of a leader's power has the operations manager apparently used in this example? OA) Coercive power OB) Reward power OC) Referent power OD) Expert power