Unida Systems has 40 million shares outstanding trading for $ 8 per share. In? addition, Unida has $ 95 million in outstanding debt. Suppose? Unida's equity cost of capital is 13 %?, its debt cost of capital is 9 %?, and the corporate tax rate is 34 %.

a) What is? Unida's unlevered cost of? capital?

b) What is? Unida's after-tax debt cost of? capital?

c) What is? Unida's weighted average cost of? capital?

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