Figure 18.1 All Producers in the Corbomite Industry Dump Wastes in the in the River

Multiple Choice

Figure 18.1
All producers in the corbomite industry dump wastes in the river in the production of their output.
-Given the information in Figure 18.1, the efficient output in the corbomite industry is:

A) 0.
B) Q0.
C) Q1.
D) Q2.