The harvesting of corn generates external costs in the form of methane gas emissions. In equilibrium: Group of answer choices too little corn will be harvested. the price of a bushel of corn will be less than the marginal social cost of the last bushel of corn sold. the price of a bushel of corn will be less than the marginal social benefit of the last bushel of corn sold. the price of a bushel of corn will be less than the marginal cost of the last bushel of corn sold to the corn farmer who sold it