Solved

If It Costs Motorists $1 to Reduce Carbon Monoxide Emissions

Question 132

Multiple Choice

If it costs motorists $1 to reduce carbon monoxide emissions from 10 pounds to 9 pounds and $3 to reduce them from 9 pounds to 8 pounds, the marginal benefit of the 9th pound of carbon monoxide is:


A) $1.
B) $3.
C) $8.
D) $9.

Correct Answer:

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