Which of the Following Provides the Best Example of Legitimate

Which of the following provides the best example of legitimate power?

A) A firm's chief financial officer holds a meeting to roll out his strategic vision for the firm.
B) A firm's divisional manager has access to a new system that provides real-time information and operational updates.
C) A manager advises an hourly subordinate that if he wishes to keep his job, he must start working more hours without pay.
D) A manager agrees to share her technical knowledge of a product with a research and development team.