A point inside the curve (as at A), is feasible but represents production inefficiency (wasteful use of inputs), in that output of one or both goods could increase by moving in a northeast direction to a point on the curve.
Titbaqet daɣ curve (chund A), addobat ijji mucham eha edag n iban tinfa n intaj (alxidmat taɣchadat n tinfa), daɣ awen intaj n iyyan meɣ ilalan ajjotnen addobat tiw-at s ehel n tasdik tan emaynaj-daɣ-alqiblat har titbaqet fal curve