Health and Wealth Company is financed entirely by common stock that is priced to offer 18% expected return. If the company repurchases 20% of the common stock and substitutes an equal value of debt with a cost of debt of 6%, what is the expected return on the common stock after refinancing? Consider tax rate of 21%.

A. 13.50%

B. 18.00%

C. 20.37%

D. 21.00%