Amoving company charges a flat rate fee of 1 $20 and an additional $5 for each box is a taxi service would charge $15 for each box what is the minimum number of boxes you would need for it to be cheaper to use the moving company

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.