What is the purpose of cost management in project management contexts?

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Cost management in project work is the ongoing process of planning, estimating, budgeting, financing, funding, managing, and controlling costs so the project is completed within the approved budget. This approach recognizes that costs come from many sources (labor, materials, risks, financing) and that effective control requires not just initial planning but continuous tracking, forecasting, and adjustment as the project evolves. By delivering a comprehensive framework that ties together the cost baseline with actual performance, it supports informed decisions, resource allocation, and coordination with schedule and scope. The other options are too narrow or incorrect because they omit essential elements like budgeting, financing, or the ongoing nature of cost control, or mischaracterize cost management’s impact.