Which of the following statements is TRUE?

A) The after-tax cost of equity is less than the before-tax cost of equity for a corporation with a tax rate greater than 0.00%

B) The after-tax cost of debt is less than the before-tax cost of debt for a corporation with a tax rate greater than 0.00%

C) The after-tax cost of preferred shares is less than the before-tax cost of preferred shares for a corporation with a tax rate greater than 0.00&

D) None of the above