The cost baseline is developed during which process?

The cost baseline is developed during the Determine Budget process. This process involves aggregating the estimated costs from the various activities and work packages to establish a cost baseline for measuring project performance. The other options are incorrect because A: Perform integrated change control is responsible for influencing the factors that create project changes and controlling changes to the project's scope, schedule, and costs. B: Estimate costs is responsible for developing an approximation of the monetary resources needed to complete project activities. C: Develop schedule is responsible for analyzing activity sequences, durations, resource requirements, and schedule constraints to create the project schedule.