This table represents the revenues faced by a monopolist.PriceQuantity SoldTotal RevenueAverage RevenueMarginal Revenue$1,0001$1,000  $9002$1,800  $8003$2,400  $7004$2,800  $6005$3,000  $5006$3,000  $4007$2,800  Using the information in the table shown, if you were to graph the first two columns, you would have graphed which curve?

For a normal good, a decrease in demand is caused by

A) a rise in income. B) a fall in income. C) a rise in price. D) a fall in price.

Which of the following would cause an unambiguous decrease in the real price of DVD players?

A) A shift to the right in the supply curve for DVD players and a shift to the right in the demand curve for DVD players. B) A shift to the right in the supply curve for DVD players and a shift to the left in the demand curve for DVD players. C) A shift to the left in the supply curve for DVD players and a shift to the right in the demand curve for DVD players. D) A shift to the left in the supply curve for DVD players and a shift to the left in the demand curve for DVD players.