Contract responsibility was a reform that applied to:

Refer to the figure above. What is the equilibrium price after the demand curve shifts to D2?

A) $20 B) $40 C) $60 D) $80

The absolute value of the slope of the production possibilities curve at any point:

A) gives the price of the good on the vertical axis that must be given up to attain an additional unit of the good on the horizontal axis. B) is found by dividing the horizontal change by a vertical change. C) gives the quantity of the good on the vertical axis that must be given up to produce an additional unit of the good on the horizontal axis. D) gives the price of the good on the horizontal axis relative to the price of the good on the vertical axis.