The Stock market (as measured by the S&P 500 index) declined by 2.6% in the first week of February, 2009. It declined by 8.8% in the second week of February, 2009, and lost 4.8% in the third week of February, 2009. The market gained 5.2% in the last week of February, 2009. Using the weekly market returns, calculate and choose the correct monthly market return for February, 2009.