When price is regulated to be no lower than P2,only Q3 will be demanded.If Q;is produced,the deadweight loss is given by triangles B and C.At price P2,producers would like to produce more than Q:.If they do,the deadweight loss will be even larger. When price is regulated to be no lower than P2 , only Q3 will be demanded. If Q3 is produced, the deadweight loss is given by triangles B and C. At price P2 , producers would like to produce more than Q3 . If they do, the deadweight loss will be even larger