Oftentimes, employment agreements provide that an employee will be employed by the employer for a fixed duration unless the employer terminates the employee "for cause", meaning that the employer can fire the employee before the employment agreement expires if the employee commits an act or engages in conduct that is illegal, immoral, unethical or otherwise reflects poorly on the employer or has a negative impact on the employee's work. List three actions or conduct that in your opinion could give rise to termination for cause.