Which of the following is an example of a negative externality? Part 2 A.Someone shovels snow from the walk in front of his or her house. Someone shovels snow from the walk in front of his or her house. B.Car makers realize higher profits from a new car model. Car makers realize higher profits from a new car model. C.An increase in the price of cigarettes. An increase in the price of cigarettes. D. Upper A coworker wears overpowering cologne