What actually often happens is that drugs priced at $90 get marked up to $200 with the knowledge that insurers will get a $90 price. The rebate system paradoxically creates an incentive system where it is insurers best interests for list prices to increase dramatically and then receive a discount than for the products to be sold at the discounted price in the first place. It’s a broken system and replacing it should help medicines be priced closer to what real people can pay for.