Final answer:
The manager's job varies depending on the organization's level, but it is essential in both small and large organizations.
Step-by-step explanation:
The manager's job is not universal across all organizational levels. It varies depending on the organization's level. In large organizations, the manager's job may involve more complex tasks and responsibilities compared to small organizations. However, the role of a manager is essential in both small and large organizations as they have the power, authority, and ability to strongly influence job satisfaction and career growth.