Economic stagnation coupled with high inflation is commonly called:

In the above figure, if the price is equal to $50, there is

A) a surplus of 200 units. B) a shortage of 100 units. C) an excess quantity demanded of 50 units. D) an inadequate supply of 100 units.

A market maker faces the following demand and supply for widgets. Eleven buyers are willing to buy at the following prices: $15, $14, $13, $12, $11, $10, $9, $8, $7, $6, $5 . Eleven sellers are also willing to sell at the same prices. If the market maker is free to choose the number of transactions he can make, what is his maximum profit?

a. $8 b. $10 c. $18 d. $28