The percentage of individual investors’ portfolios committed to stock depends on the state of the economy.  As of April 2014, a typical portfolio consisted of cash (19%), stocks (30%), stock funds (37%), bonds (8%) and bond funds (6%).  The following table reports the percentage of stocks in a typical portfolio in eight quarters of 2012 to 2013.  Year Quarters  Stock % 2012       1 29.8 2 31 3 29.9 4 30.1 2013       1 32.2 2 31.5 3 32 4 31.9 Calculate the centered 4 quarter moving average for the first quarter of 2013 (rounded to 4 decimals).    A.  32.2103  B.  31.1875  C.  30.9251  D.  31.4523

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