Which method is a simple way to track monthly expenses consistently?

Which method is a simple way to track monthly expenses consistently?

• A. Keep a detailed ledger but only categorize once per quarter.
• B. Track expenses only at year-end.
• C. Ignore categorization and treat all expenses the same.
• D. Use a budgeting app or notebook ledger; record every expense and categorize it (needs, wants, savings).

Answer: (D)