In Exhibit 10-7, if aggregate demand increases from AD1 to AD2,
Exhibit 10-7 Aggregate supply and demand curves
AS
125
C
120
115
Price
level
a
110
105
100
AD2
AD
0
800 900 1,000 1,100 1,200 1,300
Real GDP
(billions of dollars per year)
A. output and prices will increase.
B. output and prices will decrease.
C. output alone will increase.
D. prices alone will increase.