Basically to charge something at a price that people wouldn't pay in their right mind. (Excessive charge).
I think the answer would be that it provides a framework for the plot
Answer:
According to Hesiod's Theogony, after Prometheus, a fire god and divine trickster, had stolen fire from heaven and bestowed it upon mortals, Zeus, the king of the gods, determined to counteract this blessing.
Explanation: