Question 5 (24 points) a. Suppose city A has a population of 500,000. Due to the severe pneumonia epidemic in city A, the government proposes All citizens are advised to get the $20,000 vaccine. Medical experts estimate the vaccine Only when the vaccination rate reaches 100%, can the risk of transmission be effectively suppressed. But because of the price of the vaccine High, some people did not respond to the government's proposal. i. With the aid of diagrams, explain how society creates inefficiency in this situation Case. (10 points) ii. Try to use graphics to help, how can the government use policies to induce citizens to accept The number of people vaccinated reaches the socially optimal output. (8 points) b. Describe and explain the market demand curve for private goods and the market for shared goods How does the demand curve differ. (6 points)

help , and explain please.