Refer to the Following Figure (An Aggregate Supply/aggregate Demand Model)

Multiple Choice

Refer to the following figure (an aggregate supply/aggregate demand model) when answering the following questions.
Figure 13.4: AS/AD Model
-Consider Figure 13.4. The terrorist attacks on 9/11 caused the economy to initially move from point ________ to point ________.

A) c; a
B) c; b
C) b; a
D) a; b
E) Not enough information is given.