A.I. Explanation:

First sentence: Why this is the first line? This paragraph is the first sentence because it introduces the main topic. It does not refer to any previous information. It gives a broad overview of the business situation. Why other lines are not chosen? Paragraph 2 starts with "It’s still good to be big," which is not independent because it uses a pronoun. Paragraph 3 starts with "The problem is," which is not independent because it refers to a problem without context. Paragraph 4 starts with "Established companies that prosper," which is not independent because it assumes prior knowledge. Paragraph 5 starts with "The problem is when you let your bigness make you slow," which is not independent because it also refers back to a problem.

Concluding sentence: Why this is the last line? This paragraph is the last sentence because it talks about a problem. It wraps up the ideas by showing a risk that big companies face. It gives a clear ending to the discussion.

Paragraph pairs:

• Pair 1 (Paragraph 1 → Paragraph 2): Paragraph 2 connects with Paragraph 1 because it continues the idea of business. The phrase "It’s still good to be big" shows a positive aspect of the business situation. This is a logical order.
• Pair 2 (Paragraph 2 → Paragraph 3): Paragraph 3 connects with Paragraph 2 because it continues the positive theme. Both sentences talk about good things in business. This shows a logical order.
• Pair 3 (Paragraph 3 → Paragraph 4): Paragraph 4 connects with Paragraph 3 because it talks about successful companies. It shows how having capital helps companies succeed. This is a logical order.
• Pair 4 (Paragraph 4 → Paragraph 5): Paragraph 5 connects with Paragraph 4 because it talks about a problem that can happen to big companies. It shows a contrast between success and the risk of being slow. This is a logical order.