A.經(jīng)營(yíng)杠桿系數(shù)越大,經(jīng)營(yíng)風(fēng)險(xiǎn)越大
	B.經(jīng)營(yíng)杠桿系數(shù)越大,經(jīng)營(yíng)風(fēng)險(xiǎn)越小
	C.經(jīng)營(yíng)杠桿系數(shù)越大,財(cái)務(wù)風(fēng)險(xiǎn)越小
	D.經(jīng)營(yíng)杠桿系數(shù)等于息稅前利潤(rùn)變化百分比除以每股收益變化百分比
	A.責(zé)任成本
	B.機(jī)會(huì)成本
	C.預(yù)防成本
	D.檢驗(yàn)成本