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| rev | Admin | (Created page with "A railroad company is required to pay 79,860, which is due three years from now. The company invests 15,000 in a bond with modified duration 1.80, and 45,000 in a bond with modified duration Dmod, to Redington immunize its position against small changes in the yield rate. The annual effective yield rate for each of the bonds is 10%. Calculate Dmod. <ul class="mw-excansopts"><li>2.73</li><li>3.04</li><li>3.34</li><li>3.40</li><li>3.65</li></ul> {{soacopyright | 2023 }}") | Nov 20'23 at 18:16 | +475 |