7. Suppose the expenditure function is given by the following equation: 1 2 e(P,u) = (5 191 + x/pl 192 + E 332) 1.: At a. target utility of u = 1, which of the following statements are true? a. m(p,u)>% and 533(1), u) > b. mi'(p,u)% and {33(1), u) calm win I/\\ 1 2 0- $1(p,u) =3 and m2(p,u) = E d. None of the above