Three securities have the characteristics described in the following table: a Stock X Stock Y Stock Z -1% 4% 3% 0.6 1.8 0.8 Oci 4% 8% 6% A portfolio consists of 50% of the investor's funds in Y, and the remaining amount consists of 25% in each of the other assets X and Z. The expected market return is 12% (Rm = 12%) and the standard deviation of market returns is 5% (om = 5%). What is the beta of the portfolio? Less than 1 Greater than or equal to 1 and less than 1.25 Greater than or equal to 1.25 and less than 1.5 Greater than or equal to 1.5 and less than 1.75 Greater than or equal to 1.75