occam industrial machines issued 160,000 zero coupon bonds 5 years ago. the bonds originally had 30 years to maturity with a yield to maturity of 6.3 percent. interest rates have recently decreased, and the bonds now have a yield to maturity of 5.4 percent. the bonds have a par value of $2,000 and semiannual compounding. if the company has a $83.4 million market value of equity, what weight should it use for debt when calculating the cost of capital?