1.Consumers surplus P h1(D1,p12) h(p1,p1,) P1 22 x(12p1) x1(p,) x(p,)1.Consumer’s surplus p1 x1 0 1 1 1 h p u ( , , ) p− 1 1 1 x p w ( , , ) p− 1 1 1 1 h p u ( , , ) p− 1 1 x p w ( , ) 0 1 x p w ( , ) 1 1 p 0 1 p