A sales manager has been told that she is accountable for the level of customer satisfaction recorded in the annual audit of customers. The manager argues that this is unfair because customer satisfaction reflects many things that are beyond her control. This argument is an example of: Select one: a. none of the above b. the controllability principle c. an unreasonable request by this manager's bosses d. a smart manager who recognizes the limits of what she should accept e. managers trying to avoid taking responsibility