1. Small Business Sustainability – Evaluating why businesses selling VisionSpring glasses prefer to remain small despite growth opportunities. 2. Investment Return Calculation – Computing the average rate of return from purchasing a pair of VisionSpring glasses using financial data. 3. Retained Profit Strategy – Assessing the impact of VisionSpring financing its growth through retained profits rather than external funding. 4. Corporate Social Responsibility and Profitability – Analyzing whether Warby Parker’s commitment to social responsibility enhances its profitability. 5. Market Expansion Strategy – Comparing Warby Parker’s options of launching a contact lens range for high-income markets versus expanding into low-income markets. 6. Strategic Growth Recommendation – Evaluating which market expansion strategy is more aligned with Warby Parker’s corporate growth objectives.