When a new deliverable is proposed, the project manager should evaluate its impact on the project's scope, time, cost, and quality. A cost-benefit analysis is a systematic approach to estimate the strengths and weaknesses of alternatives and is used to determine options that provide the best approach to achieve benefits while preserving savings12. It involves comparing the expected costs of project actions to the expected benefits in order to choose the best option3. References: Project Management Institute. (2021). A Guide to the Project Management Body of Knowledge (PMBOK Guide) - Sixth Edition. ProjectManager.com. (2023). Cost-Benefit Analysis: A Quick Guide with Examples and Templates1. Wrike.com. (2023). Cost-Benefit Analysis in Project Management Explained2. Project-management.com. (2023). Cost Benefit Analysis - Formula, Example & Definition3.