 The jump in prices or the jump in spending is to really kind of hardball negotiate with drug companies. So they'll say they don't like your offer, but if you lower the price, we can make your drug a preferred drug without prior authorization. The negotiated prices don't typically get passed directly to consumers as lower co-pays, but they can reduce pressure on insurance premiums. GoodRx says the formulary shrunk the most before 2020. Lately, they've stabilized somewhat. Here's Marsh again.