The largest liability of the Fed from those on this list is

The marginal benefit from buying a particular unit of a good

A) is the amount paid for the unit plus the consumer surplus of the unit. B) increases as market price increases. C) is the difference between the amount paid for the unit and the market price of the unit. D) is the difference between the total benefit of the unit and the marginal cost of producing that unit. E) None of the above answers is correct.

When it is cheaper for one firm to produce a particular product, ____ exist(s)

a. economies of scale b. economies of scope c. diminishing marginal returns d. cross-subsidization