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【单选题】
某公司持有有价证券的年利率为6％，公司的最低现金持有量为4000元，现金回归线为10000元。如果公司现有现金22000元，根据现金持有量的随机模型，此时应投资于有价证券的金额是( )元。A.
0
B.
14000
C.
12000
D.
10000
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