Which of the following is a factor influencing the WACC that the firm cannot control? Capital structure changes Dividend payment changes Changes in capital budgeting rules None of the Above Which of the following is a factor influencing the WACC that the firm can control? Changes in capital budgeting rules Interest rates Tax rates O None of the Above Your firm's preferred stock is currently trading at $60 per share and pays a perpetual preferred dividend of $3 per share. What is the firm's cost of preferred stock? 05.00 O $3 $5 None of the Above