Which statement is the most accurate?

a) The federal minimum wage rate is indexed to the rate of inflation: Each year it’s raised equal to the rate of inflation during the previous year.

b) Over 10 million Americans are covered by a living wage law.

c) There is considerable disagreement as to whether the federal minimum wage helps the unskilled workers more than it hurts them.

d) Very few people’s wage rates are actually determined by supply and demand.