Titik ring tengahing kurva (sekadi ring A), wantah kadadosang sakéwanten nyihnayang nénten efisien produksi (koos ring input), rikala output saking asiki wiadin kakalih barang prasida nincap antuk mamargi nuju genah Kaja Kangin nuju titik kurva.
A point inside the curve, as at U, 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.