In the Keynesian Aggregate Expenditure Graph (Figure 5-5)(in the Text),the

Multiple Choice

In the Keynesian aggregate expenditure graph (Figure 5-5) (in the text) ,the 45 degree line is meant to indicate that:

A) planned aggregate expenditure always equals aggregate income.
B) savings must equal investment.
C) actual aggregate expenditure must equal aggregate income.
D) actual income must equal planned income.
E) none of the above.