Summary: This is the calculation used for figuring the yield to
maturity of bonds and coupons purchased after 1984 as described in example 12.
To calculate: 2 multiplied by (($100,000 divided by $60,000) raised to (1
divided by ((74 divided by 181) plus 12)) power minus 1 equals 2 multiplied by
(1.04203 minus 1) equals .08406 equals 8.406%.