Answer: (B) The congressional budget office
Explanation:
The congressional budget office is one of the type of federal agency which helps in providing the economical and the budget data and it also assisting the budget committee.
The main role of the congressional budget office to managing the tax legislative and the budget in the legislative government branch.
According to the given question, the Congressional budget office is one of the type of agency which is primary responsible for advising to the congress on the different types of economical matters.
Therefore, Option (B) is correct answer.