Answer:
All people, whether an employee or a student, should always be punctual because it can help you plan for their day to day tasks, and stay ahead, and make a routine. It also shows people that you are dependable, and organised, and it can improve peoples perceptions of you. It also show reflections of professionalism, and that you know what you are doing, when and how you are doing said task. It also show to others that you respect them as a person, and their time. That your not only thinking of yourself, but your thinking about their roles and responsibilities on the job, or in school.
Step-by-step explanation:
Hope it helps! =D