张献忠在成都即位，铸（）
A.大顺通宝
B.大西通宝
C.永昌通宝
参考答案：A
目前划分不同货币层次的依据是（）。
A.利率水平
B.资产的流动性
C.货币的国际化水平
D.货币的材质
In the context of company law, explain:
(a) the prohibition on the giving of fi nancial assistance by companies for the purchase of their own shares; and (5 marks)
