pre_text: stock performance graph the following graph sets forth the cumulative total shareholder return on our series a common stock , series b common stock and series c common stock as compared with the cumulative total return of the companies listed in the standard and poor 2019s 500 stock index ( 201cs&p 500 index 201d ) and a peer group of companies comprised of cbs corporation class b common stock , news corporation class a common stock , scripps network interactive , inc. , time warner , inc. , viacom , inc . class b common stock and the walt disney company . the graph assumes $ 100 originally invested on september 18 , 2008 , the date upon which our common stock began trading , in each of our series a common stock , series b common stock and series c common stock , the s&p 500 index , and the stock of our peer group companies , including reinvestment of dividends , for the period september 18 , 2008 through december 31 , 2008 and the years ended december 31 , 2009 , 2010 , 2011 , and 2012 . december 31 , december 31 , december 31 , december 31 , december 31 .
post_text: equity compensation plan information information regarding securities authorized for issuance under equity compensation plans will be set forth in our definitive proxy statement for our 2013 annual meeting of stockholders under the caption 201csecurities authorized for issuance under equity compensation plans , 201d which is incorporated herein by reference. .
table: December 31,2008 December 31,2009 December 31,2010 December 31,2011 December 31,2012
table: DISCA $102.53 $222.09 $301.96 $296.67 $459.67
table: DISCB $78.53 $162.82 $225.95 $217.56 $327.11
table: DISCK $83.69 $165.75 $229.31 $235.63 $365.63
table: S&P 500 $74.86 $92.42 $104.24 $104.23 $118.21
table: Peer Group $68.79 $100.70 $121.35 $138.19 $190.58
question: Analyse this data from a financial earnings document. what was the 5 year average total return for the a and c series of stock?\\n\\n\\n