2. Under normal circumstances, the risk control of the business department only needs one person.
3. Usually it is to monitor customer risks, call risky customers, and generally there are other internal affairs of some companies. Busy or not depends on the business volume of the sales department, and the salary is similar to that of the backstage position. As for the upside, it also depends on the company's business volume.
4. Pass the qualification examination, major in general economics or above, and be patient and meticulous.
You should give points for asking such detailed questions.