In Chapter 1, we defined management functions as planning, organizing, leading and controlling. None of these would be possible without effective communications. Supervisors interact with people all the time, either with their own work groups or with peripheral groups Little, if any, interaction between people does not involve some kind of communication, either verbal or nonverbal or both. It is virtually impossible for a person to succeed in management without communication skills. "Everything a supervisor does involves communicating." Build an argument to support this statement