An increase in the price level

Select one:

a.shifts theAEcurve upward and decreases equilibrium expenditure.

b.shifts theAEcurve downward and increases equilibrium expenditure.

c.shifts theAEcurve downward and decreases equilibrium expenditure.

d.shifts theAEcurve upward and increases equilibrium expenditure.

e.has no impact on theAEcurve.