According to the Agile Practice Guide, one of the principles of agile project management is to "build projects around motivated individuals. Give them the environment and support they need and trust them to get the job done."1 Therefore, the project manager should not ignore, punish, or override the team member who has a different opinion, but rather try to understand their perspective and work with them to reach a consensus. This can foster a positive team culture and improve the quality of the sprint goals. References: 1: Agile Practice Guide, page 10.

Empowering team members is a key aspect of project management, which involves organizing around team strengths, supporting team task accountability, evaluating demonstration of task accountability, and determining and bestowing levels of decision-making authority. This approach not only leverages the skills and abilities of the team members but also promotes efficiency and motivation within the team. By empowering the engineer, the project manager can foster a sense of ownership and encourage proactive behavior, leading to better performance and project outcomes.
: The answer is verified with the information provided by the PMBOK Guide and the Agile Practice Guide, which discuss the importance of empowering team members and stakeholders as part of effective project management practices12. Additionally, the Professional in Business Analysis materials emphasize the significance of decision-making and empowerment in business analysis34.

The Project Management Professional (PMP) guidelines emphasize the importance of a cost-benefit analysis as a systemic approach to evaluate and compare the costs and benefits of different project proposals. This process is crucial when considering changes that can impact project costs and benefits. It involves determining all direct and indirect cost estimates, defining and calculating all tangible and intangible benefits, and using an appropriate Cost Benefit Analysis (CBA) algorithm to analyze the cost and benefit streams12. Additionally, the PMBOK Guide's change management process outlines the need for an impact analysis of change requests, which is a key component of the cost-benefit analysis, before presenting the change to the Change Control Board (CCB)3.
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Cost-Benefit Analysis: A Quick Guide with Examples and Templates1.
Benefit-Cost Ratio PMP Exam Guide2.
PMBOK Guide Change Management Process For PMP Exam3.