The analysis further points out that with the current yield of approximately 4.6% on 10-year U.S. Treasury bonds, an investment of about $518,000 would be required to achieve an annual income of $24,000. The article emphasizes that a 3.5% dividend yield, if it grows by 8% annually, can double income within 9 years; whereas a fixed income yield of 10% might stagnate and erode the principal over time.