Question: What is true about the Office of Management and Budget (OMB)? a. The OMB implements the annual budget. b. The duty of the director of the OMB is to support the Senate's views on the budget. c. The OMB assists the president in preparing the proposed annual budget. d. The OMB assists the president in preparing the proposed annual budget. e. The OMB is an influential unit of the White House Office.