Please append you suggested question, one that will help someone studying this knowledge area think a bit more on the topic.
1.What’s the difference between Cost and Budget?
2.What’s the difference between Estimate Cost and Determine Budget?
3.What’s the difference between Cost Management Plan and Project Management Plan?
4.What’s the difference between Parametric Estimating and Analogous Estimating?
5.What’s the cost baseline and what other baselines there are?
6.What relation does the Activity Cost Estimates in Cost Management with the Estimate Activity Duration in Schedule Management?
"But the fact that some geniuses were laughed at does not imply that all who are laughed at are geniuses. They laughed at Columbus, they laughed at Fulton, they laughed at the Wright brothers. But they also laughed at Bozo the Clown."