help me asap please

answer the question accurately please!

21.

(03.05 MC) Which of the following is true about the long-run equilibrium in the economy? (1 point)

	The long-run equilibrium occurs when the aggregate demand equals the long-run aggregate supply, irrespective of the changes in the short-run aggregate supply.
	The long-run equilibrium is attained at the intersection of aggregate demand and long-run aggregate supply. As the price adjusts to this level, the short-run aggregate supply also crosses this point.
	The long-run equilibrium is attained when the amount of aggregate supply exceeds the amount of long-run aggregate demand.
	The long-run equilibrium is attained when the amount of aggregate demand equals the amount of short-run aggregate supply, as the long-run aggregate supply does not depend on the immediate price level.
	The long-run equilibrium is attained when the amount of long-run aggregate supply equals the amount of aggregate demand, and the short-run aggregate supply remains unaffected, since the prices are sticky.

22.

(03.06 MC) What happens when a country experiences a positive demand shock in the short run? (1 point)

	Output increases, unemployment decreases, and the price level increases.
	Output increases, unemployment increases, and the price level increases.
	Output increases, unemployment decreases, and the price level decreases.
	Output increases, unemployment decreases, and the price level remains constant.
	Output increases, unemployment remains constant, and the price level decreases.

23.

23. (03.07 HC) Use the graph to answer the question that follows. Price Level Y Income 33. (04.05 MC) The graph below shows the changes in the money market due to an increase in the reserve requirement bythe Fed. Nominal interest rate % m' m m" Quantity 39. (04.07 MC) Use the graph to answer the question that follows. Real interest rate % S'If 0' 8% S"If 7% --- DIf O $1600 $1700 Quantity of loanable funds $