If the economy is producing at a point inside production possibilities frontier, then the economy

Group of answer choices

a)must be doing the best the economy can with limited resources.

b) can produce more of both goods.

c)can increase the production of both goods with zero opportunity cost.

d)is not using all the resources and allocating the resources to their best use.

e)has a high opportunity cost of moving from this point.

f)is unaffected by costs and technology.