Bob always sets his oven ten degrees higher than what the recipe calls for because he knows that it's always off by ten degrees. bob is compensating for the oven's:

answer; /// i believe the correct answer is (b) disposition

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.