When the government places a tax on a product, the cost of the tax to buyers and sellers

a. is less than the revenue raised from the tax by the government.
b. is equal to the revenue raised from the tax by the government.
c. exceeds the revenue raised from the tax by the government.
d. Without additional information, such as the elasticity of demand for this product, it is impossible to compare the cost of a tax to buyers and sellers with tax revenue.

c