Rebecca is the nursing unit manager at Banner Health. Although she has only held her position for six months, she has already gained quite the reputation among the nurses who work for her. The nurses speak highly of her to others at Banner, and have a high desire to be associated with Rebecca at work. Rebecca's ability to influence others is most directly affected by which of the five possible sources of power? O a) Reward b) Referent O c) Coercive O d) Expert O e) Legitimate