Which of the Following Factors Explains Why Managers of Government

Which of the following factors explains why managers of government agencies (the public sector) have little incentive to operate efficiently?

A) It is relatively easy for voters to detect operational inefficiency in the public sector and do something to correct it.
B) Public-sector managers face fierce competition.
C) Public-sector managers have no fear of losses and bankruptcy when operational efficiency is not achieved.
D) All of the above explain why government agencies have little incentive to be efficient.