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Every year at the beginning of flu season, many people, including the elderly, get a flu shot to reduce their chances of contracting the flu. One result is that people who do not get a flu shot are less likely to contract the flu. S Getting a flu shot results in a positive externality. On the graph, show the effects of this externality. 1.) Use the line drawing tool to draw and label a new line showing the marginal social benefit (MSB). Pr market Price of a flu shot (dollars) 2.) Use the point drawing tool to identify and label the efficient equilibrium level of flu shots. Carefully follow the instructions above, and only draw the required objects. D= marginal private market benefit Quantity of flu shots