If the intended aim of the price ceiling set in the graph shown was a net increase in the well being of consumers, then positive analysis would conclude:
a. the policy was effective, since area B is smaller than area C.
b. the policy was effective, since area A + C is larger than B + D.
c. the policy was ineffective, since D is larger than E.
d. the policy was ineffective, since A + C + E is larger than B + D.