求一篇以“the responsibility of manager"为题的英语作文,字数120以上.以作文的形式，三大段！

the responsibility of manager ：
1、Supervise and manage the overall performance of staff in the department.
2、Analyzing,reporting,giving recommendations and developing strategies on how to improve quality and quantity.
3、Achieve business and organization goals,visions and objectives.
4、Involved in employee selection,career development,succession planning and periodic training.
5、Working out compensations and rewards.
6、Responsible for the growth and increase in the organizations' finances and earnings.
7、Identifying problems,creating choices and providing alternatives courses of actions.