The cigarettes section of the "Privileged Store" [1]. At least Kim Jong-un cares about your lungs. (Also, the electricity goes off and nobody bats an eye [2]. They must have the POS computer on a battery.)

[1] https://youtu.be/uLvJgOgW4hk?t=245 [2] https://youtu.be/uLvJgOgW4hk?t=505