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10. (15pts) Macbeth Spot Removers is entirely equity financed. Use the following information. Macbeth now decides to issue $8,400 of debt and to use the proceeds to repurchase stock. Suppose that Ms. Macbeth's investment bankers have informed her that since the new issue of debt is risky, debtholders will demand a return of 12.3%, which is 2.7% above the risk-free interest rate. A. What is the company's overall cost of capital after the debt issue? B. What is the cost of equity after the debt issue? C. Suppose that the beta of the unlevered stock was 0.6. What will A,E, and D be after the change to the capital structure