\fWhat kind of externality is shown above? Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. a Positive Consumption b Negative Consumption c Positive Production d Negative Production What is the socially efficient quantity? Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. a 180 b 270 c 360 What is the deadweight loss from this externality? Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. a 600 b 675 c 900 d 1200 Which of the following would correct the externality? Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. a tax = $15 b tax = $20 c subsidy = $15 d subsidy = $20