Project Cost Management Plan is created as a part of?

A part of Estimate Costs Process.

Cost management plan: Describes how cost variances will be managed and Part of the overall project plan. Output of Estimate Costs process is: Cost estimates and Cost management plan

Thank you for invitation. I seem option C. Estimate Costs process is good answer.

My answer is for option C. Estimate Costs process

Thank you for the invitation. My answer is C