Initially,when a firm hires a fourth worker,its wage rate goes from $80 a worker to $90.The marginal revenue product of the fourth worker is $100.Then the government imposes a minimum wage of $90 a worker.If the firm now hires the fourth worker,its profits
A) will increase by $10.
B) will increase by $20.
C) will decrease by $10.
D) will decrease by $20.

Question

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The Answer of Initially,when a firm hires a fourth worker,its wage rate goes from $80 a worker to $90.The marginal revenue product of the fourth worker is $100.Then the government imposes a minimum wage of $90 a worker.If the firm now hires the fourth worker,its profits
A) will increase by $10.
B) will increase by $20.
C) will decrease by $10.
D) will decrease by $20.

Initially,when a Firm Hires a Fourth Worker,its Wage Rate Goes