Giuseppe's Pizza is a perfectly competitive firm. The firm's costs are shown in the table above. If the market price is $15, how much economic profit does the firm make?

The percentage of workers who work part time for noneconomic reasons

A) has decreased from 30 percent of the labor force in 1980 to 20 percent in 2011. B) does not fluctuate much at all with the business cycle. C) has trended upward since 1980. D) fluctuates strongly with the business cycle. E) decreases during a recession as the number of discouraged workers increases.

Which of the following statements represents a correct and sequentially accurate economic explanation?

A) Good X is an inferior good and good Y is a substitute for X. Income rises, the demand for X falls, the price of X falls, and the demand for Y rises. B) Good X is an inferior good and good Y is a substitute for X. Income rises, the demand for X falls, the price of X falls, and the demand for Y falls. C) Good X is an inferior good and good Y is a substitute for X. Income falls, the demand for X rises, the price of X rises, and the demand for Y falls. D) Good X is an inferior good and good Y is a substitute for X. Income rises, the quantity demanded of X rises, the price of X rises, and the demand for Y falls. E) none of the above