In a textile manufacturing project, a team divided the whole project work into 35 work packages and assigned a few work packages to the design department for review. After the review, the manager of the design department requested the team to further divide the work packages into more manageable work components for estimating and scheduling the resources. In this scenario, which of the following techniques should the team use to complete the manager’s request?

A. Decomposition
B. The parametric estimating
C. The precedence diagramming method
D. The bottom-up estimating

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