(Estimated time allowance: 5 minutes) What is the cost of equity of DeTin Corp.? The company has a beta of 1.22, the market risk premium is 12%, the risk-free rate is 4%. The corporate tax rate is 20%. a) 14.20% Ob) 15.44% Oc) 18.64% Od) 16.64% e) none of the above Of) 13.76% Og) 14.00% Oh) 11.60% Oi) 13.20%