I need help with these, thank you!

D Question 29 D Question 28 Price Suppl (Private Cost) Price Supply (Private Cost) Social Value Demand (Private Value) Social Value Q1 Q2 Q3 Qa Quantity Demand (Private Value) To internalize the externality in this market, the government should Q1 Q2 Q3 Q4 Quantity O impose a tax on this product. Which quantity is socially optimal? provide a subsidy for this product. O forbid production. O produce the product itself. DI Question 30 12 pts TPrice Supply Demand Social Value 2 4 6 8 10 12 14 16 18 20 22 Quantity 100 200 300 400 500 600 700 800 900 a. What is the external cost? b. What is the external benefit? c. Is the private market doing too much or too little in the first graph? d. Is the private market doing too much or too little in the second graph