Manuel is a supervisor at a quick-service restaurant where employees experience problems with excessive tardiness. if workers are tardy three times in one month, they receive a disciplinary written warning. manuel gives the same warning to every employee who is late three times in one month, regardless of whether the employee is in a protected group category. this example demonstrates which of the following? a. affirmative actionb. employee morale surveyc. ouch test of supervisiond. diversity awareness