Answer:
A Corporation
Explanation:
First, to determine the kind of business Rock Inc is, we need to consider the kind of capital it employed.
1) We are told that a short-term decline was observed in the company's stock price because of the CEO's death
This crucial information means, the evidence of stock and its ability to decline based on happenings is the proof of shareholders or stock holders.
Once an organisation is into the use of capital raised by stock holders, then the business is a Corporation.
A Corporation is a legal business entity where the ownership is separate form the management. It is usually owned by shareholders (who purchase the stock of the business) and then managed by the board of directors who report to the shareholders on the annual performance of the business.