1.Consumers surplus P(,F1,n) h(P1,p1,) pi+t PI x(D12p12w) h, (pi+t,p_, u) h,(pr+t, p_,u xI1.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− 0 1 p 0 1 p t + 0 1 1 1 1 h p t u ( , , ) + p− 0 0 1 1 1 h p t u ( , , ) + p−