Use the Following to Answer Questions

Multiple Choice

Use the following to answer questions:
-(Figure: Shift of the Aggregate Demand Curve) Refer to Figure: Shift of the Aggregate Demand Curve.A movement from point C on AD₂ to point A on AD₁ may have been the result of:

A) an increase in investment spending following optimistic GDP forecasts.
B) a decrease in investment spending following pessimistic GDP forecasts.
C) decreases in the taxes paid by businesses.
D) lower interest rates.