Concept:A prospectus is a formal legal document issued by a company to invite the public to subscribe to its shares or debentures.
Explanation:When a company wants to raise capital from the public, it issues a prospectus.
This document advertises the share offer and provides important information about the company's business, financial position, and the terms of the issue.
The purpose is to attract investors and persuade them to buy the shares.
A tender is a bid for a contract, while a share certificate is proof of ownership after shares are allotted.
A trading certificate allows a company to begin business operations.
Hence, the document issued to advertise shares is the prospectus.
Answer: A. prospectus