According to economists, which of the following are true regarding pollution caused by the firm? Group of answer choices Regulation that eliminates pollution entirely is to the best interest of society and yields an efficient outcome There is such a thing as an optimal amount of pollution. A pigovian tax makes a good more costly to society, while regulation does not increase the cost to society. A market with a negative externality can be brought to an optimal, efficient outcome whether using pigovian taxes or regulation