This is an example of which of the following?

The project managers for component projects A and B schedule the same resource to perform tasks during the same timeframe, resulting in an over-allocation. The program manager reviews the program resource management plan determine that project. A can wait until the resource becomes available, and assigns the resource to project B.

This is an example of which of the following?
A . Program resource management planning
B. Program risk mitigation
C. Resource interdependency management
D. Project resource planning

Answer: C