ä½ å¥½ï¼è®¾EBIT为xï¼åç®ä¸ºï¼0.75ï¼x-1280ï¼/5200=(x-740)/4000,å³3000ï¼x-1280ï¼=5200x-3848000,å³3000x-3840000=5200x-3848000,å³2200x=8000,x=3.63636.å³EBITçäº3.63636å
ï¼å³åä½æ¯ç¨åå©æ¶¦ä¸º3.64å
追é®ä¸å¥½ææï¼æå³è¾¹åªéæ¼äºä¸ªæ¬å·ï¼å³è¾¹åºè¯¥æ¯(EBIT-12801720)*(1-25%)/4000
追çæ¹äºä¹åï¼ç®åºæ¥æ¯55469850