Which of the following illustrates a negative externality? A. The use of a tax on the purchase of sport utility vehicles or trucks to limit the number of vehicles on roads with relatively poor fuel efficiency B. The imposition of a carbon tax on the oil sales of a firm like Exxon Mobil to help reduce carbon emissions O C. A farmer in a developing country goes bankrupt because of repetitive droughts that are ultimately attributable to climate change O D. Options A and B are both corrAct O E. Options A, B, and C are all correct