A.I. Explanation:

First sentence: Why this is the first line? This paragraph is the first sentence because it introduces the main topic of creating a personal budget plan. It does not refer to any previous information and sets the stage for the following details. It is a general statement about the importance of budgeting. Why other lines are not chosen? Paragraph 2 starts with 'I began' which is not independent because it refers to an action without context. Paragraph 3 starts with 'After analysing' which is not independent because it refers to a previous action. Paragraph 4 starts with 'This approach' which is not independent because it refers back to the previous topic.

Concluding sentence: Why this is the last line? This paragraph is the last sentence because it wraps up the ideas presented. It shows the outcome of the budgeting process and reflects on the overall theme of financial independence.

Paragraph pairs:

• Pair 1 (Paragraph 1 → Paragraph 2): The second paragraph connects to the first because it explains the action taken after deciding to create a budget. This shows a logical order of steps in the budgeting process.
• Pair 2 (Paragraph 2 → Paragraph 3): The third paragraph follows the second because it describes what happened after tracking expenses. It shows a cause and effect relationship where analysing leads to setting goals.
• Pair 3 (Paragraph 3 → Paragraph 4): The fourth paragraph connects to the third because it explains the result of setting budgeting goals. It shows how the approach helped in understanding expenses.