Why is the minimum wage controversial? a. opponents of the minimum wage argue that it harms business profits by lowering prices for consumers. b. opponents of the minimum wage argue that it decreases the efficiency of workers by reducing incentives to work hard. c. opponents argue that when the minimum wage is increased, some businesses cut jobs to keep their labor costs the same which, then, contributes to unemployment. d. opponents of the minimum wage argue that it has not been effective, with many industries finding legal loopholes to evade the minimum wage requirement.