9) Which of the following is in the proper order of responsibility? A. QC, QA, tester, PO, PM C. QC, Tester, QA, PO, B. Tester, QA, QC, PM, PO D. QC, Tester, QA, PM 10) Select of the following who is most knowledgeable with the whole softwe A. The developer C. The tester B. The project manager D. The QA.