The following data applies to LeVeit Company: LeVeit has a target debt-to-equity ratio of 0.5. LeVeit’s bonds are currently yielding 10%. LeVeit is a constant growth firm that just paid a dividend of $ 3.00. LeVeit’s stock sells for $ 31.50 per share. Return on Equity (ROE) is 20%. The dividend payout ratio is 75%. The company’s marginal tax rate is 40%. The company’s weighted after-tax cost of capital is（）
A. 10. 5%.
B. 11.0%.
C. 12.0%.