OF index is the value-weighted index comprising of 3 stocks: ABC stock, DEF stock and XYZ stock. Calculate the performance of index during each year by using the following data.

ABC ended 2005 at a price of $55 and had 1 million shares outstanding. DEF ended 2005 at a price of $65 and had 3 million shares outstanding. XYZ ended 2005 at a price of $32 and had 4 million shares outstanding.

ABC ended 2006 at a price of $29 (after a 2- for-1 split). DEF closed at $35 at the end of 2006 ( after a 3-for-1 split). XYZ ended 2006 at a price of $29.

ABC ended 2007 at a price of $35. DEF closed at $30 at the end of 2007. XYZ ended 2007 at a price of $ 40.