so john graham graham sorry he was also on the goldman sachs board for i think some of the most profitable years for b.p. and goldman sachs during that really sort of happy time which they had and the reason that this worked max i think was that they in essentially being very astute people. realized that they were always hedging their production they were always selling futures contracts they were always protecting themselves against the fall in the price by selling futures contracts and they had a very very big book of contracts and i remember that from my ip days this is are far back this goes whereas g.s. c.r.u. the fund which came into the market took a long term position on the other side of the market what they were doing was they were basically taking on oil risk and offloading the risk of holding dollars and if you think about it what b.p. were doing was laying off the risk of holding or. taking on the risk of holding dollars they were so b.p. were hedging their production and goldman sachs's customers were. protecting themselves against inflation and with that relationship which i