Which of the Following Statements About the Government Business Market

Which of the following statements about the government business market is CORRECT?

A) Only large vendors with annual sales of more than $20 million are authorized to sell to the federal government;small vendors are restricted to the state and local government market.
B) The Office of Management and Budget is the federal agency that contracts for all the U.S.government's buying requirements.
C) Selling to states,counties,and cities can be less frustrating for both small and large vendors than selling to the federal government.
D) The president of the United States must personally authorize all federal government purchases.
E) Contracts for government purchases are rarely put out for bid.