单项选择题
A.增加 B.不变 C.减少 D.不清楚
A.18,0.138% B.19,0.138% C.20,0.125% D.21,0.125%
A.100 B.50 C.20 D.10
A.利率上升 B.利率下降 C.利率波动变大 D.利率波动变小
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