The Diagram Below Shows the Marginal Cost of Pollution Abatement

question 77

Multiple Choice

The diagram below shows the marginal cost of pollution abatement for two firms,Firm X and Firm Y.
FIGURE 17-4
-Refer to Figure 17-4.Suppose Firms X and Y are each abating QR units of pollution.If Firm X then reduces pollution by one unit and Firm Y increases pollution by one unit,then

• A)total pollution remains the same but the total cost of abatement falls.
• B)total pollution remains the same but the total cost of abatement increases.
• C)the total cost of abatement remains the same but pollution falls.
• D)the total cost of abatement remains the same but pollution increases.
• E)the total costs of abatement and the amount of pollution do not change.

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