A.3000(P/F,IRR,1)+12000(P/F,IRR,2)-10000=0 B.3000(P/F,IRR,2)+12000(P/F,IRR,1)-20000=0 C.3000(P/F,IRR,1)+12000(P/F,IRR,2)-20000=1 D.3000(P/F,IRR,2)+12000(P/F,IRR,1)-20000=1
A.1.26 B.1.62 C.0.79 D.1.39
A.15816萬元 B.13544萬元 C.50456萬元 D.10556萬元