Answer:
Option (b) is correct.
Explanation:
Pollution permits refers to the permits that are allocated by the government to the firms creating pollution. The only motive of these permits is to reduce the pollution in an economy. The firms with the higher cost of reducing pollution are generally benefited from the trad-able pollution permits because they would obtain the pollution permits from the firms other at a price lower than the cost of reducing pollution. So, the trad-able pollution permits are more valuable to the firms with higher cost of reducing pollution.