It costs a firm $80 per unit to produce product A and $50 per unit to produce B individually. If the firm can produce both products together at $140 per unit of product A and B, this exhibits signs of

In the figure above, if no one owns the lake, what is the quantity of pesticide produced?

A) 300 tons per month B) 240 tons per month C) 180 tons per month D) 360 tons per month

Due to inflation, nominal prices are usually

A) equal to real prices. B) smaller than real prices. C) larger than real prices. D) a constant proportion different from real prices.