女，70岁。戴全口义齿4年，近来所戴用义齿容易松动脱落，最可能的原因及恰当的处置方法是（）。

A.咬合不平衡，调

B.义齿基托变形，制作新义齿

C.义齿基托缓冲不够，磨改基托

D.牙槽嵴的持续吸收，重衬义齿

E.人工牙的排列不当，制作新义齿

ABC Limited is registered with an authorised share capital of Eur5,000 and an issued share capital of Eur1,300, fully paid up.Required:

(a) Distinguish between the authorised and issued share capital of a company and identify the minimum capital requirements at law for a private company. (4 marks)