Multiple Choice
Figure 10-4
-Refer to Figure 10-4, Graph (b) and Graph (c) . The installation of a scrubber in a smokestack reduces the emission of harmful chemicals from the smokestack. Therefore, the external benefit of smokestack scrubber installation is represented by
A) Q3 − Q2.
B) Q5 − Q4.
C) P3a − P3b.
D) P4a − P4b.
Correct Answer:
Verified
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