You are working with a team to estimate how much time is required for each activity. You are using a document that contains information on the categories of labor, material,
and equipment required to complete the project. You are also interested in the skill levels, required certifications, and the grade levels for supplies.
Which of the following documents would you primarily refer to for this purpose?
A. Resource breakdown structure
B. Organizational
breakdown structure
C. Work breakdown structure
D. Risk breakdown structure
HINT: The correct answer is one of the inputs to the Estimate Activity Duration process.