The process of creating a work breakdown structure most likely results in which of the following?

A. Project schedule

B. Team buy-in

C. Project budget

D. List of identified risks

I selected B, which was the correct answer too. However, this conflicts with a similar question as below - 

Which best explains why WBS is important to a project?

A. It provides a hierarchical diagram of the project

B. It makes it easier to estimate activities, costs & resources