A steel mill had a number of accidents in recent years, in which several workers were injured and one died. The Occupational Safety and Health Administration conducted an inspection and found five safety issues in violation of the Occupational Safety and Health Act. Bringing the mill into compliance with the Act will be a substantial cost. Which of the following public policy arguments justifies why the mill should be required to comply even if it is a substantial cost?

a. They should not be required to comply if the cost outweighs the burden.

b. The requirements are less burdensome than in some other countries.

c. Complying with these requirements imposes a cost on the employer which society, acting through the legislature, has deemed appropriate for the employer to bear.

d. The requirements apply to every business equally, so they are fair.