19. Which of the following statements is not true with respect to an employer's use of progressive discipline? (a) It applies to iess serious infractions on the part of the worker such as being absent from work without leave. {13) The employer should document each step of such discipline. {c) If the worker's misconduct continues despite such discipline, the employer still does not have grounds to dismiss him for cause. {d) It may include everything from verbal warnings, to written warnings, to suspension without pay