Cost of equity: SML. Stan is expanding his business and will sell common stock for the needed funds. If the current risk-free rate is 6.6% and the expected market return is 12.8%, what is the cost of equity for Stan if the beta of the stock is a. 0.79 ? b. 0.92 ? c. 1.08 ? d. 1.41 ? a. What is the cost of equity for Stan if the beta of the stock is 0.79 ? % (Round to two decimal places.)