Concept:The document that defines the internal rules and rights attached to different classes of shares is the key to this question.
Explanation:The Articles of Association is the document that contains the internal regulations of a company.
It clearly states the rights, duties, and privileges of different classes of shares, such as voting rights and dividend rights.
It also covers matters like the conduct of meetings and the management of the company.
The Memorandum of Association, on the other hand, only covers the company’s external affairs and objectives.
A balance sheet is a financial statement, and a prospectus is an invitation to the public to buy shares.
Therefore, the rights attached to various classes of shares are given in the Articles of Association.
Answer:A. articles of association