The lincoln company sold a $1,000 par value, noncallable bond several years ago that now has 20 years to maturity and a 7.00% annual coupon that is paid semiannually. the bond currently sells for $925 and the company's tax rate is 40%. what is the component cost of debt for use in the wacc calculation? a. 4.28%b. 4.46%c. 4.65%d. 4.83%e. 5.03%

The common stock and debt of northern sludge are valued at $65 million and $35 million, respectively. investors currently require a return of 15.9% on the common stock and a return of 7.8% on the debt. if northern sludge issues an additional $14 million of common stock and uses this money to retire debt, what happens to the expected return on the stock? assume that the change in capital structure does not affect the interest rate on northern’s debt and that there are no taxes.