11. The state of Colorado requires oil and gas companies who use fracking techniques to return the land to its original condition after the oil and gas extractions. Table 12.9 shows the total cost and total benefits (in dollars) of this policy.

a. Calculate the marginal cost and the marginal benefit at each quantity (acre) of land restored. See Cost and Industry Structure if you need a refresher on how to calculate marginal costs and benefits.

b. If we apply marginal analysis, what is the optimal amount of land to be restored?

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0 Table 12.9 Land Restored (in acres) $0 50 Total Cost G $0 Total Benefit