单项选择题
A.0.5,0.3 B.0.5,0.2 C.0.6,0.3 D.0.6,0.2
A.8 000 B.9 000 C.9 500 D.7 800
A.营运资金减少 B.营运资金增加 C.流动比率降低 D.流动比率提高