Foreign companies build new factories in a country to take advantage of cheap labour and cheap land. All other things being equal, the result of this investment for that country's economy would be:
A. a movement along both its aggregate demand curve and long-run aggregate supply curve.
B. a movement along its aggregate demand curve and a shift in its long-run aggregate supply curve.
C. a shift in its aggregate demand curve and a movement along its long-run aggregate supply curve.
D. a shift in both its aggregate demand curve and long-run aggregate supply curve.
