An analyst is evaluating the performance of a portfolio of Mexican equities that is benchmarked to the IPC Index. The analyst collects the information about the portfolio and the benchmark index, shown below:

| Expected return of the portfolio | 8.7% |

|----------------------------------|------|

| Volatility of returns of the portfolio | 12.0% |

| Expected return of the IPC | 4.0% |

| Volatility of returns of the IPC | 8.7% |

| Risk-free rate of return | 2.0% |

| Beta of portfolio relative to IPC | 1.4% |

What is the Sharpe ratio of this portfolio?