Assume Dominion Energy is discussing new ways to recapitalize the firm and raise additional capital. The market values of its capital sources are $63.1 billion in equity, $39.7 billion in debt and $2.4 billion in preferred stock . The cost of equity capital is 4.3%, the cost of preferred stock is 3.7%, and the pretax cost of debt is 3.1%. What is the weighted average cost of capital for Dominion Energy if its marginal tax rate is 25%? Group of answer choices 4.15% 3.46% 3.77% 3.54% 3.83% 3.96%