Non-verbal listening is understanding what the speaker is conveying through words

In a short essay, explain why the comparative advantage principle is the foundation and overriding justification for international trade. How does this principle support the competitive advantage of nations theory?

What will be an ideal response?

When you have already determined that there is demand for the services of your potential business, your next step is to ________

A) identify a market need B) identify target customers C) implement the marketing mix D) conduct market research E) maintain good customer relationships