1. Geothermal's cost of debt is 5.1%, the cost of equity is 11.1% and the tax rate is 28%. The company uses 20% of debt in its capital structure; the rest is equity. The weighted average cost of capital for the company  % (accurate to 4 decimals)
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4. Question 2
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6. Geothermal's cost of debt is 4.2%, the dividend yield on the preferred is 6.4%, the cost of equity is 10.9%, and the tax rate is 22%. The company uses 11% of debt in its capital structure and 22% of preferred; the rest is common equity. The weighted average cost of capital for the company (accurate to 4 decimals)
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10. Question 3
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12. The perpetual debt tax shield reflects the PV of all future tax savings due to interest deductibility. 
13. If Revenues are $5000, CoGS are $3000, interest rate on Debt is 7.7%, Debt is $1,752, the tax rate is 32.5%, then
14. the perpetual tax shield.