Which of the following statements is NOT TRUE about economic systems?

In a command economic system, the answers to the questions are determined by the interactions of buyers and sellers.

Explanation:

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.

well this isn't a question but if you are asking if it is true or false it is, true.