Which of the Following Is True of the Long-Run Aggregate

Multiple Choice

Which of the following is true of the long-run aggregate supply curve?

A) It is vertical.
B) The level of RGDP supplied does not change as the price level changes.
C) The level of RGDP supplied changes with the levels of capital, land, labor, and technology available to the economy.
D) Sometimes the LRAS also shifts when the SRAS shifts, and sometimes it does not.
E) All of the above are true of the long-run aggregate supply curve.