Work Performance Data is an important input to the Control Procurements process. Which of the following is not a component of Work Performance Data?
A. Data regarding supplier’s conformance to quality standards
B. Data on completed deliverables
C. Data regarding incurred or committed costs on each supplier contract
D. Data on supplier invoices and respective payments
Incurred costs or commited costs are SUNK COSTS. Thus, cosiderations for it is not important.
Correct answer is B.
Data on status of deliverables progress is part of Work Performance Information and not Work Performance Data.
The subtle difference between Work Performance Data and Work Performance Information confuses many people, however it is very important to clearly distinguish between these two concepts. PMBOK pages: 496, 499.