What is the main difference between the political and the bureaucratic theories?

Question $4$ options:

$1)$

The bureaucratic theory is governed by established rules and regulations whereas the political theory is not.

$2)$

The political theory is governed by established rules and regulations whereas the bureaucratic theory is not.

$3)$

There is a good understanding among employees about how the organization works in bureaucratic organizations where it is not the case in political organizations.

$4)$

a & c

$5)$

none of these