RDA Mines Inc. operates an unobtanium mine on the planet Alberta which is a satellite in the Alpha Centauri system near Pandora. The people of Alberta have instituted a corporate tax at the rate of 38?%. RDA's weighted average cost of capital is 12?%. RDA has 25?% debt in its capital structure? (debt-to-equity is 0.33?) and the? before-tax cost of debt is 7?%.
What is the cost of equity for RDA given its? WACC is ? %