<prompt> Translate the following text to Swahiliexpected to be a normal profit level, with the understanding that unusually efficient firms might achieve supra-normal profits for a time.  <response>: Hata hivyo, kiwango cha faida cha kawaida kinatarajiwa kuwa kiwango cha faida cha kawaida, kwa kueleweka kwamba makampuni ya kawaida ya ufanisi yanaweza kufikia faida ya kawaida kwa muda. 