The business analyst must perform a cost-benefit analysis in order to complete the business case and arrive at a solid recommendation. A cost-benefit analysis is a technique that compares the costs and benefits of different options or alternatives for solving a business problem or achieving a business opportunity. A cost- benefit analysis helps to evaluate the return on investment (ROI), the net present value (NPV), and the payback period of each option, and to select the most optimal one based on the business value and the strategic alignment. References: PMI Professional in Business Analysis (PMI-PBA)Examination Content Outline1, page 10; Business Analysis for Practitioners: A Practice Guide2, page 40.