The excess of actual profit over the normal profit is called as

NCERT (2026-27 edition):
Super Profits Method – “… But it is contended that the buyer’s real benefit does not lie in total profits; it is limited to such amounts of profits which are in excess of the normal return on capital employed in similar business. Therefore, it is desirable to value, goodwill on the basis of the excess profits and not the actual profits. The excess of actual profits over the normal profits is termed as super profits.”