2. One union newspaper indicated how it saved an employee’s job. The employee was in the mechanic’s classification and was discharged for refusing to comply with management’s sudden, unilateral rule that mechanics must perform janitorial duties. Given this sketchy situation, discuss the many possible reasons for the disciplinary action, indicating why the arbitrator might not have been convinced that management’s discipline was for a legitimate purpose. (You are free to make and state assumptions in your answer.)