QUESTION 6 Which of the tollowing statements is CORRECT? All else equal, an increase in a company's stock price will increase its marginal cost of new common equity, re O None of these. We should use historical measures of the component costs from prior financings that are still outstanding when estimating a company's WACC for capital budgeting purposes O When calculating the cost of preferred stock, a company needs to adjust for taxes, because preferred stock dividends are deductible by the paying corporation OIf a company s tax rate increases but the YTM on its bonds remains the same, the atter tax cost of ts debt will fall