In: Finance
Which one of the following statements is correct?
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 a)Because debt creates the tax shield, a firm's optimal capital structure is 100 percent debt.  | 
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 b)Equity become less risky when the degree of financial leverage increases because of the tax shield effect  | 
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 c)The risk of equity depends on both the degree of financial leverage and the riskiness of the firm's operations.  | 
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 d)WACC decreases as the debt-equity ratio increases.  | 
Issuing more debt (ie increasing gearing), means that more debt will replace the expensive equity, this reduces the WACC.
thus the answer is:
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 d)WACC decreases as the debt-equity ratio increases.  |