Final answer:
The duties of leaders and managers are best summarized as managers aiming for effectiveness, while leaders embrace change.
Step-by-step explanation:
The BEST statement regarding the duties of leaders and managers is option D) Managers aim for effectiveness.
Leadership and management are closely related concepts, but they have different focuses and objectives.
While leaders often initiate change and inspire others, managers are responsible for achieving goals and ensuring efficient operations.
Leadership is about guiding and influencing others, while management is about planning, organizing, and controlling resources to achieve desired outcomes.
Managers aim for effectiveness by optimizing productivity, utilizing resources efficiently, and achieving goals.
On the other hand, leaders embrace change and focus on inspiring and motivating others towards a shared vision.