The capital structure of Ridley Enterprises is: Debt 40%, Equity 60%. The cost of debt is 13%, and the cost of equity is 16.5%. What is the weighted average cost of capital for Ridley Enterprises? A. 14.4%
B. 16.2%
C. 15.1%
D. 13.8% 39.

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.