Comprehensive and Detailed Since the system has already been implemented, the BA shouldvalidate the performancemeasuresto determine whether the current processing time meets the intended business objectives. BABOK Guide (Chapter 7.6 - Define Performance Measures)states that BAs should ensure thatperformance indicators accurately reflect success criteria and business expectations. Analyzing the current state (Option A)has already been done before implementation. Determining requirement changes (Option B)is premature without validating performance. Assessing risks (Option D)is important but not the immediate next step.