Please help me to answer these questions, thanks.

Price level 29. 30. 31. Y\" Y. Real output Refer to the graph above (on the previous page). A movement From A to B is most likely to be caused by: a) an increase in input prices. b) a decrease in input prices. c) an increase in aggregate demand. :1) a decrease in aggregate demand. Refer to the graph above (on the previous page}. A decrease in aggregate demand in the short run is likely to cause a movement: a) from C to D. b) from B to D. c) from B to A. d) from C to A. The long-run aggregate supply curve shows the output level an economy can produce: a) when rms adjust quantity rather than price. b) when capital is fully employed. 1:) when labor is fully employed. d) when both capital and labor are fully employed