Level 5: Cost account*: Grouping of work packages for monitoring progress
and responsibility
Level 5+n: Work package: Identifiable work activities
*This breakdown groups work packages by type of work within a deliverable
and allows assignment of responsibility to an organizational unit. This
extra step facilities a system for monitoring project progress.
Work Breakdown Structure
Example: Personal computer prototype
Integration of WBS and OBS
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Read/Write Head Design
Work package cost estimate; Direct Costs
Three Views of Cost
Costs vs. Project Duration: Committed, Actual cost, Scheduled budget