Suppose That a Fish-Food Manufacturing Company Is Located Up the River

Suppose that a fish-food manufacturing company is located up the river from a fishing firm and often releases some of the food into the river.This means:

A) the fish food manufacturing company is imposing a negative externality on the fishing firm
B) the fish food manufacturing company is imposing a positive externality on the fishing firm
C) under the Coase theorem the two companies should be able to negotiate away the externality
D) unless the government imposes a tax on river pollution, the fishing firm will continue to be negatively impacted by the fish-food manufacturing company