According to the quantity theory of money, if an economy produces 5,000 units of output, its money supply equals $40,000 . and the velocity of money equals one, then the price level will equal

Agri-Tech supplies a patented sweetener to various food processors. It has noticed that the value of the sweetener varies dramatically from one buyer to another, depending on the end-use demand. But its experiments with charging higher prices to some buyers have failed because:

A. outsourcing is compromised by contracting costs. B. of market arbitrage. C. the cost of production is always the same. D. price discrimination is illegal.

Refer to the above figure. Profits for this firm are equal to zero

A. only for all points less than B. B. for points between B and C. C. for all points less than B and greater than C. D. only at points B and C.