New requirements were introduced during the execution phase of a project, and the team believes this will impact the project cost but not the timely completion of project deliverables.
Which of the following is the BEST way for the PM to validate the assessment?

A. Ask the team for estimates, and review the project schedule and budget.
B. Ask the team to review the product scope and validate its impact on the schedule and quality.
C. Ask the team for estimates, and review the cost management plan.
D. Ask the team to perform a SWOT analysis, and validate the assessment.