List the four ways to explain unemployment in the long run

The above figure shows the production possibility frontier for an economy. The point or points that are not attainable are

A) points B and C. B) points A, B, and C. C) point E. D) points A, B, C, and D. E) points A and D.

Two events occur simultaneously in the market for automobiles: (1) an improvement in assembly line technology and (2) the economy enters a recession (which decreases consumers' income). An economist would predict with certainty that

a. equilibrium quantity will rise b. equilibrium quantity will fall c. equilibrium price will rise d. equilibrium price will fall e. the equilibrium price will remain the same