The planned costs for your project become reliable figures that you can use for a budget request or a project proposal when the following information is entered in your project plan:
All required work and material resources, even if they’re just generic resources
Cost rates and per-use costs for all work and material resources
Cost resources, assigned to tasks with their individual amounts
All tasks, complete with reliable duration estimates
Assignments for all tasks
Any fixed costs for tasks
After this information has been entered, you can review planned costs by various categories, some granular and some high-level: assignment costs, resource costs, task costs, and total project costs.
Review assignment ...