An investor gathers the following information about a bond portfolio comprised of two option-free bonds: | Bond | Par Value | Market Value | Duration | |------|-----------|--------------|----------| | 1 | $100,000 | $120,000 | 5 | | 2 | $200,000 | $180,000 | 4 | The duration of the portfolio is closest to: | Chartered Financial Analyst Level 1 Quiz - LeetQuiz