Answer:D. Typically, these managers viewed each other as competition as Diane only rewarded the highest earning outlet with incentives.
Explanation: The action of Diane was to reward the best performers which is a Norm in management.
Reward and compensation is one of the key factors needed in order to effectively and efficiently motivate a team.
Sometimes the efforts of management is not followed by good work and Attitude by the subordinates which has led them to develop unhealthy rivalry amongst themselves,the managers saw themselves as Competing against each other instead of being partners in progress.