【tea】評論
投資報酬率=淨利/投入資本→投入資本=淨★/...
【Joy Chuang】評論
........................................................................................................................RI=(ROI-I)*A2500=2%*AA=125000125000*15%=18750250000*40%-口=18750口=81250........................................................................................................................
【蔡圓圓】評論
ROIx投資額=NIRI = NI - ( 投資額x13%) 2,500 = 15%X投資額 - ( 投資額x13%) 投資額=125,000 15%=NI/125,000 NI=18,750CM100,000-FC =18,750FC=81,250