What qualities do you think a business manager should possess?
Creativity, the ability to organize, the entrepreneur's spirit, comprehensive knowledge of human studies, ability of gathering information, expert competence of communication and deep professional skills.
If a client complains about the service of your department, what will you do?
If I'm in the service center. I'll listen to the client patiently, and accept the criticism objectively. Then I will have the claim reasonably settled.