Given the following information:
Year X Y Z
2004 12.53 2.64 -4.65
2005 6.25 4.67 16.78
2006 -9.62 -3.50 13.46
2007 -12.99 -6.89 10.43
2008 26.84 13.56 -3.56
A. Calculate the average rate of return for each of X, Y, Z for the period 2004-2008.
B. Calculate the expected rate of return for the period 2004-2008 for a portfolio with the following asset weights: X - 27%, Y - 29%, Z - 44%.