What is the marginal cost of producing the third unit?

Consumer finance companies, because of the __________-term nature of their liabilities, prefer to hold __________-term assets

A) long; long B) long; short C) short; long D) short; short

The Lojack is an example of a product that:

A. produces a positive externality. B. contributes to illegal gambling on cards. C. contributes to global warming. D. produces a negative externality.