Who has the cost risk in a fixed price (FP) contract?

With respect to earned value analysis, which of the following is the value of work actually completed?

During a project demonstration, a team member provides sample test data to the client without consulting the project manager. This delays the project.
What should the project manager do to avoid this in the future

Which type of dependency is legally or contractually required or inherent in the nature of work and often involves physical limitations?

Drag the interpersonal skill on the left to the correct scenario on the right.