Do not seek their bad. whoever touches them is as if he touched the pupil of his eye. [onkelos] asked: what is your punishment? [yeshu answered]: in boiling excrement. as the mast said: whoever mocks the words of the sages in punished in boiling excrement.

The passage above is from the Talmund. The Talmund is Rabbinic Judaism’s central text and its primary source of Jewish theology and religious law. The Talmund served as “the guide for the daily life” of Jews and high point of the cultural life of the Jewish. It was also foundational to “all Jewish aspirations and thoughts”, which was until modernity’s advent.

what is the tax base for the sales tax?

it should be (usually ) 6%

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.