Answer:
Sole Proprietorship
Explanation:
The reason is that in the sole proprietorship, the investor has the complete control over the business operation and is solely involved in decision making process. However, corporations are large organizations which has delegated control to each manager, partnership reduces the control over the business operation, cooperatives are mostly voluntary work of an organization formed to meet their social, cultural and environmental needs. So the only option that gives complete control over the operation of the organization is Sole Proprietorship.