again, ation with respect to the system that's set up, the policy is based onsyste. it would start, what, ten years out. we bndeve that competitiveidwe levels than whad happen under current law from the part d experience john reminds me about coming in, i think 40% so what we did is we looked at that. we had no way of -- cbo told us they couldn't estimate to us jse case is with respect to the growth rates going forward. we then looked at some other analyses that had been done by others. and in terms of what happened in cup pet tiff m fixed amount. 2022. 2023. for making projections going understand it based on these outside analyses, yo ya $400 savings per beneficiary by launching this reform effort? justin basis for the number. sure, sure. >> yes, right. wasn't able to give ge program an estimate of the process we look to reports and historical competitive bidding would have on average starting amount. the part d program came in 40% under budget. we also looked at studies that said we would take 6%. so, and the weren't able to get the bid from cob, we adjusted the p