Discrimination Might Exist in a Labor Market at Times,but It

Multiple Choice

Discrimination might exist in a labor market at times,but it is not likely to last in the long run because:

A) the supply of labor is perfectly inelastic.
B) costs are imposed on discriminators,which reduces their profits.
C) discrimination is easy to define,allowing effective remedies do eliminate it.
D) government intervention increases the cost borne by the discriminators.