The person with the primary responsibility to solve the budget overrun and behind-schedule performance is b: The Project Manager.
A project manager is a professional who organizes, plans, and executes projects under tight budgets and schedules.
The roles of the project manager include:
a: The Project Champion
b: The Project Manager
c: The Project Management Office Manager
d: Senior Management
Thus, the person with the primary responsibility to solve the budget overrun and behind-schedule performance is b: The Project Manager.
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