Answer:
d. All the answers
Step-by-step explanation:
In system engineering and project management, work breakdown structure is a technique to break down the project into smaller components to obtain a deliverable optimization of the project. It is to organize the team member work into sections that can be easily managed.
After completing the work breakdown structure of a project work, it is easy to estimate the cost of the project and the time duration of each activity. Establishing smaller section of works it is easy to develop the project work schedules and estimate each activity duration of the schedule.
Hence the correct option is (d).