Figure: Three Aggregate Demand Curves

Consider the three aggregate demand curves shown in the graph.Movement from Point A to Point D represents:

A:an increase in spending growth from 4% to 6%.

B:an increase in real GDP growth, but not spending growth.

C:an increase in inflation, but not spending growth.

D:an increase in spending growth from 2% to 3%.

Inflation rate, A B 2% 4% 6% Real GDP growth rate