The stock market data given by the following table. R (%) Telmex Mexico World Correlation coefficients Telmex Mexico World 1.00 1.50 1.00 1.00 1.20 1.00 SD(%) 18 15 10 ? 14 12 The above table provides the correlations among Telmex, a telephone/communication company located in Mexico, the Mexico stock market index, and the world market index, together with the standard deviations (SD) of returns and the expected returns ( R ). The risk-free rate is 9%. Suppose the Mexican stock market is segmented from the rest of the world. Using the CAPM paradigm, estimate the equity cost of capital of Telmex. (Enter your answer as a percent rounded to 2 decimal places.) Equity cost %