A firm is financed with debt that has a market beta of 0.3 and equity that has a market beta of 1.2. The risk-free rate is 3%, and the equity premium is 5%. The overall cost of capital for the firm is...

A firm is financed with debt that has a market beta of 0.3 and equity that has a market beta of 1.2.  The risk-free rate is 3%, and the equity premium is 5%.  The overall cost of capital for the firm is 8%.  What is the firmʹs debt-equity ratio?

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