A.1.25 B.1.32 C.1.43 D.1.56
A.降低產(chǎn)品銷售單價 B.提高資產(chǎn)負債率 C.節(jié)約固定成本支出 D.減少產(chǎn)品銷售量
A.32.5% B.41.4% C.39.2% D.36.6%