(1前12%(1-25%)600000/300000=0.18後13%(1-0.25)600000/(300000-1000000/20)=0.234
(2) 股權價值前300000*20=6000000後250000*20=500000
實體價值依據MM定理前後不變即600000=500000+1000000(債券)
每股股權價值20 16.6