A.凈經(jīng)營(yíng)資產(chǎn)凈利率+(經(jīng)營(yíng)差異率-稅后利息率)×凈財(cái)務(wù)杠桿
B.凈經(jīng)營(yíng)資產(chǎn)凈利率+經(jīng)營(yíng)差異率×凈財(cái)務(wù)杠桿
C.凈經(jīng)營(yíng)資產(chǎn)凈利率+杠桿貢獻(xiàn)率
D.稅后經(jīng)營(yíng)凈利率×凈經(jīng)營(yíng)資產(chǎn)周轉(zhuǎn)次數(shù)+經(jīng)營(yíng)差異率×凈財(cái)務(wù)杠桿