Generate a full, detailed lesson plan for a 1-hour high school class on financial literacy. The lesson plan must be engaging and practical for teens. It should include: 1. Learning Objectives. 2. A 'Hook' activity, like a quiz about spending habits. 3. An instructional section that simplifies three core concepts: Budgeting (the 50/30/20 rule), Understanding Credit Scores, and the Power of Compound Interest. 4. A small group activity or a real-world scenario to discuss. 5. A concluding 'exit ticket' assessment. Please include a list of sources.