Iyini i-GMROI?
I-GMROI iyisifinyezo se-Gross Margin Return on Investment. Kuyimethrikhi esetshenziswa ekuthengiseni ukuze kulinganiswe inzuzo yempahla oyithengile. Ifomula yalo ingase yenziwe lula ngokuthi: I-Gross Margin / Isilinganiso Sezindleko Zokusungula.