Suppose that last year one dollar US exchanged for one euro if this year one dollar exchange for $.90 euro we can conclude that:
A. the dollar is weaker this year than it was last year and this will cause the United States short run aggregate supply curve to shift to the left
B. the dollar is weaker this year than it was last year and this will cause the United States SRAS to shift to the right.
C. The dollar is stronger this year than it was last year and this will cause the United States short run aggregate supply curve to shift left.
D. The dollar is weaker this year than it was last year but this will have no impact on the United States SRAS.