At what level of details the work packages need to be described to take place in work breakdown structure? O a. To be estimated during estimate resource requirements process. O b. To be executed...

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Extracted text: At what level of details the work packages need to be described to take place in work breakdown structure? O a. To be estimated during estimate resource requirements process. O b. To be executed without additional information. Identified duration for execution O d. Ready for estimation of the required efforts