Answer: Direct investment.
Explanation: Direct investment is a process where Investors invest money into a business operating in another country. They aim to achieve a strong voice in the management of the enterprise and a long-term presence in a foreign country. Furthermore, it is an investment that is made to acquire a lasting interest in the form of a controlling ownership in a business in one country by an entity based in another country.
Sydney's Intention of investing to achieve the highest possible returns, and is not concerned about pursuing a high-risk strategy as long as it maintains complete control over its stores is an example of direct investment.