The common stock of Contemporary Interiors has a beta of 1.13 and a standard deviation of 21.4 percent. The market rate of return is 12.7 percent and the risk-free rate is 4.1 percent. What is the cost of equity for this firm? A. 13.82 percent B. 11.76 percent C. 12.08 percent D. 14.40 percent E. 13.05 percent