A.0.75 B.0.80 C.0.05 D.0.70
A.將會(huì)提高 B.將會(huì)降低 C.將不變 D.將會(huì)提高或不變
A.應(yīng)當(dāng)盡可能多借債 B.應(yīng)當(dāng)盡可能少借債 C.應(yīng)當(dāng)不借債 D.應(yīng)當(dāng)適度舉債