The Diagram Below Shows Two Production Possibilities Boundaries for Country

Multiple Choice

The diagram below shows two production possibilities boundaries for Country X.
FIGURE 1-4
-Refer to Figure 1-4.Growth in the countryʹs productive capacity is illustrated by

A) a point like D outside the boundary.
B) a movement from a point inside the boundary such as C to the boundary.
C) the movement between points on a given boundary.
D) a single point such as A on the boundary.
E) an outward shift of the boundary,for example from PPB1 to PPB2.