Information Flag question Use this figure for questions 12-13 Social MC Private MC Price (equals MR) Price or Cost (dollars per unit) Quantity Question 12 Mot yet answered Points out of 1.00 Flag question In the above graph, what is the estimated cost of the externality: Select one: (Oa. The vertical distance between the social and private marginal cost curves. (Ob. 100 units. Oc. 160 units. Od. Greater than 160 units. Question 13 Not yet answered Points out of 1.00 Flag question In figure above, if the rate of output is 100 units: Select one: Oa. Ob. Oc. @t Social costs exceed private costs. There is no market failure. Pollution costs (for example) are external. All of the above