{"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 312008", "december 312009", "december 312010", "december 312011", "december 312012"], ["disca", "$ 102.53", "$ 222.09", "$ 301.96", "$ 296.67", "$ 459.67"], ["discb", "$ 78.53", "$ 162.82", "$ 225.95", "$ 217.56", "$ 327.11"], ["disck", "$ 83.69", "$ 165.75", "$ 229.31", "$ 235.63", "$ 365.63"], ["s&p 500", "$ 74.86", "$ 92.42", "$ 104.24", "$ 104.23", "$ 118.21"], ["peer group", "$ 68.79", "$ 100.70", "$ 121.35", "$ 138.19", "$ 190.58"]], "table_ori": [["", "December 31,2008", "December 31,2009", "December 31,2010", "December 31,2011", "December 31,2012"], ["DISCA", "$102.53", "$222.09", "$301.96", "$296.67", "$459.67"], ["DISCB", "$78.53", "$162.82", "$225.95", "$217.56", "$327.11"], ["DISCK", "$83.69", "$165.75", "$229.31", "$235.63", "$365.63"], ["S&P 500", "$74.86", "$92.42", "$104.24", "$104.23", "$118.21"], ["Peer Group", "$68.79", "$100.70", "$121.35", "$138.19", "$190.58"]]}

Question: what was the 5 year average total return for the a and c series of stock?\\n\\n\\n
Evidence:
table_1: the disca of december 312008 is $ 102.53 ; the disca of december 312009 is $ 222.09 ; the disca of december 312010 is $ 301.96 ; the disca of december 312011 is $ 296.67 ; the disca of december 312012 is $ 459.67 ;
table_3: the disck of december 312008 is $ 83.69 ; the disck of december 312009 is $ 165.75 ; the disck of december 312010 is $ 229.31 ; the disck of december 312011 is $ 235.63 ; the disck of december 312012 is $ 365.63 ;
table_2: the discb of december 312008 is $ 78.53 ; the discb of december 312009 is $ 162.82 ; the discb of december 312010 is $ 225.95 ; the discb of december 312011 is $ 217.56 ; the discb of december 312012 is $ 327.11 ;
Program: add(327.11, 365.63), divide(#0, const_2)
Answer:
str_answer: 326.37
exe_answer: 346.37