Assume that the demand for coal is more elastic than the supply. A tax on coal will a. increase the price of coal that sellers really get, and buyers bear a smaller burden of the tax b. decrease the price of coal that sellers really get, and sellers have to bear a bigger burden of the tax c. decrease the price of coal paid by buyers, and buyers have to bear a bigger burden of the tax d. increase the price of coal paid by buyers, and sellers bear a smaller burden of the tax