In achieving the proper balance between influence and authority for line supervisors and the human resources staff, which of the following BEST describes the role of the supervisor?

Supervisors should ensure that the human resources staff does not offer advice on how to run the department.

Supervisors should take full advantage of the human resources department's expertise while supervising their own department.

The human resources staff should direct the supervisor in day$-$to$-$day implementation of organizational policies within the department.

The human resources staff should ensure that every supervisor reports directly to the human resources department daily.