Long$-$run macroeconomic equilibrium occurs when the aggregate demand curve the shortrun aggregate supply curve, and they the long$-$run supply curve.

Select one:

a$.$ intersects; intersect at a point on

b$.$ is flatter than; intersect at a point to the right of

C$.$ is steeper than; intersect at a point to the left of

d$.$ intersects; intersect at a point to the right of