You are managing a software development project when a major stakeholder requests an additional feature. This feature was not included in the original scope and will require additional time and resources to implement. You understand that this change could impact the project's cost, schedule, and scope. What is the BEST initial step you should take according to the PMBOK guide's Perform Integrated Change Control process?
Implement the feature as per the major stakeholder's request.
Evaluate the change request's impact on the project's baselines and overall objectives before deciding to proceed.
Reject the change request to avoid any negative impact on the project.
Request an increase the project budget and extend the timeline to accommodate the new feature.