If we are on the frontier, to produce more guns and less butter, we need to: A. Find ways to reduce waste to produce more guns and less butter.
B. Use unemployed resources to produce more guns and less butter.
C. Move land, labor, and capital from the production of guns to the production of butter.
D. Move land, labor, and capital from the production of butter to the production of guns.
E. Develop new technologies that permit us to produce more guns and less butter.