Which statement best distinguishes quality assurance (QA) from quality control (QC) on a construction project?
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A
QA is performed only by the owner, while QC is performed only by the architect
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B
QA focuses on planned processes that prevent defects, while QC inspects and tests the work to detect defects
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C
QA applies only to materials, while QC applies only to labor
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D
QA and QC are identical terms used interchangeably in all contracts