Prince Henry the Navigator was one of the leading explorers from _____

The above table gives the demand and supply schedules for cat food. If the price is $1.00 per pound of cat food, will there be a shortage, a surplus, or is this price the equilibrium price?

If there is a shortage, how much is the shortage? If there is a surplus, how much is the surplus? If $3.00 is the equilibrium price, what is the equilibrium quantity?

One of the most widely followed stock indexes in the United States is the S&P 500. This index represents

A) the stock prices of the 500 most valuable firms worldwide. B) the stock prices of more than 4,000 U.S. firms. C) the stock prices of 500 large U.S. firms. D) the stock prices of 30 large U.S. corporations.