Concept:A sole proprietorship is a business owned, controlled and managed by one person.Solution:It needs little capital and very few legal formalities to start.The owner takes all decisions quickly and keeps all the profit.This is why it is the commonest and easiest form of business in Ghana (for example petty traders, tailors and hairdressers).Partnerships, public joint stock companies and co-operatives need more people, more capital and more formalities.Answer:Option B (Sole proprietorships)