Calculating Capital Structure Weights Occam Industrial Machines issued 225,000 zero coupon bonds five years ago. The bonds originally had 30 years to maturity with a yield to maturity of 5.2 percent. Interest rates have recently decreased, and the bonds now have a yield to maturity of 4.6 percent. If the company has a market value of equity of $120 million, what weight should it use for debt when calculating the cost of capital? Assume semiannual compounding for the bonds