which of the following is not a perspective on the purpose of prison?
a. to rehabilitate the criminals so they can become productive citizens.
b. to discourage people from breaking the law.
c. to force the criminals to work for the government to pay for their crime.
d. to protect the rest of society from criminals.

C, it can't be any other purpose since prison is for rehabilitation, protection and to encourage others not to break the law

an informal structure in a bureaucracy would be something like so-called "office politics". where there's a formal structure set up for the organization, but then an informal subculture as well that has a way of organizing the bureaucracy further. this can be positive because it sets up an added degree of organization, albeit informal, within the bureaucracy.