\f6. The graph below shows the marginal private cost of a robot producing factory for phone construction. The robots use a toxic chemical that emits emissions. This affects the citizens of Port Elizabeth who have mobile phone factories in their town. The marginal social cost that the town citizens' face is also captured by the diagram. 600 MSC 500 460 400 MPC Costs ($) 300 P - 340 260 200 100 O 10 0 30 40 50 60 70 80 90 100 110 120 130 140 Output