A.財(cái)務(wù)風(fēng)險(xiǎn)變小 B.經(jīng)營(yíng)風(fēng)險(xiǎn)變小 C.經(jīng)營(yíng)風(fēng)險(xiǎn)變大 D.財(cái)務(wù)風(fēng)險(xiǎn)變大
A.64 B.55 C.54 D.65
A.260 B.270 C.280 D.290