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Finance problem: Weighted average cost of capital.

The financial manager of a firm determines the following schedules of cost of debt and cost of equity for various combinations of debt financing: Find the WACC.

1.Debt/Assets After-Tax Cost of Debt Cost of Equity WACC

0% 4% 8%
10% 4% 8%
20% 4% 8%
30% 5% 8%
40% 6% 10%
50% 8% 12%
60% 10% 14%
70% 12% 16%

2. Find the optimal capital structure (that is, optimal combination of debt and equity financing).
3. Why does the cost of capital initially decline as the firm substitutes debt for equity financing?
4. Why will the coat of funds eventually rise as the firm becomes more financially t as leveraged?
5. Why is debt financing more common than financing with preferred stock? If interest were not a tax-deductible expense, what effect would that have on the firm's cost of capital? Why?

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Solution Summary

The problem deals with a veritable aspect of finance: cost of capital.