In which market type does one find the most advertising

Using the data in the above table, if the price of an hour of labor is $10 and the price of a unit of capital is $20, then the most economically efficient technique for producing 100 sweaters is

A) A. B) B. C) C. D) D.

From an economic standpoint, the amount of pollution should be

A) zero. B) the amount that allows firms to maximize profits. C) the amount where firms are earning a normal rate of return on investment. D) at the point at which the marginal benefit from further reduction equals the marginal cost of further reduction.