The figure below shows the marginal benefit to consumers,MB,the marginal cost to private firms,MCP,and the marginal cost to society,MCS,at each level of output of some good. 
FIGURE 17-1
-Refer to Figure 17-1.What is the marginal external cost at output level 
?
Definitions:
Homogenizing
The process of making things uniform or similar, often by reducing diversity or variations within a particular group or context.
King James Bible
An English translation of the Christian Bible commissioned in 1604 by King James I of England, which has had a profound influence on English-speaking Christianity and literature.
Burned At The Stake
A form of execution where the condemned person is tied to a large wooden stake and burned alive, historically used for heresy, witchcraft, and treason.
Mathematics
The abstract science of number, quantity, and space, either as abstract concepts (pure mathematics) or as applied to other disciplines such as physics and engineering (applied mathematics).
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