[thaumasiotes]

But that's wrong. Those high prices come from high prices set by the manufacturer. (Side note - why is there a "g" in "manufacturer"?)

Other parties are still free to mark up their goods for resale. But drugs they bought for cheap get sold for (less) cheap, and drugs they bought at a high price get sold at a high(er) price. When you see an eye-popping price, that's because the manufacturer charged an eye-popping price.