lakdawalla? >> net prices of pharmaceuticals have been falling for the past 10 years very consistently. cms recently released its national health expenditure account data in a confirmed fact as well. with reconcile that with rising costs for consumers and so i think intermediaries are playing a bigger roll than it might appear about $.40 of every dollar spent on pharmaceuticals goes to intermediaries and unlike pharmaceutical firms, they are not engaging in innovation that improves health. >> thank you. senator cassidy? >> thank you all. mr. maybarduk , it's been made persuasively. clearly patents are part of the free-market system as though you intellectual property and you and sent creativity. whether it is being abuse is another issue. you think it is legislations sponsored by john cornyn to do away that. i think without intellectual property we would not have this innovation. why would you? what would you put the time into it? dr. lakdawalla makes a persuasive point that without the profit in