{"pre_text": ["2011 2012 2013 2014 2015 2016 comparison of five-year cumulative total shareholder return altria group , inc .", "altria peer group s&p 500 part ii item 5 .", "market for registrant 2019s common equity , related stockholder matters and issuer purchases of equity securities .", "performance graph the graph below compares the cumulative total shareholder return of altria group , inc . 2019s common stock for the last ive years with the cumulative total return for the same period of the s&p 500 index and the altria group , inc .", "peer group ( 1 ) .", "the graph assumes the investment of $ 100 in common stock and each of the indices as of the market close on december 31 , 2011 and the reinvestment of all dividends on a quarterly basis .", "source : bloomberg - 201ctotal return analysis 201d calculated on a daily basis and assumes reinvestment of dividends as of the ex-dividend date .", "( 1 ) in 2016 , the altria group , inc .", "peer group consisted of u.s.-headquartered consumer product companies that are competitors to altria group , inc . 2019s tobacco operating companies subsidiaries or that have been selected on the basis of revenue or market capitalization : campbell soup company , the coca-cola company , colgate-palmolive company , conagra brands , inc. , general mills , inc. , the hershey company , kellogg company , kimberly-clark corporation , the kraft heinz company , mondel 0113z international , inc. , pepsico , inc .", "and reynolds american inc .", "note - on october 1 , 2012 , kraft foods inc .", "( kft ) spun off kraft foods group , inc .", "( krft ) to its shareholders and then changed its name from kraft foods inc .", "to mondel 0113z international , inc .", "( mdlz ) .", "on july 2 , 2015 , kraft foods group , inc .", "merged with and into a wholly owned subsidiary of h.j .", "heinz holding corporation , which was renamed the kraft heinz company ( khc ) .", "on june 12 , 2015 , reynolds american inc .", "( rai ) acquired lorillard , inc .", "( lo ) .", "on november 9 , 2016 , conagra foods , inc .", "( cag ) spun off lamb weston holdings , inc .", "( lw ) to its shareholders and then changed its name from conagra foods , inc .", "to conagra brands , inc .", "( cag ) . ."], "post_text": ["altria altria group , inc .", "group , inc .", "peer group s&p 500 ."], "table": [["date", "altria group inc .", "altria group inc . peer group", "s&p 500"], ["december 2011", "$ 100.00", "$ 100.00", "$ 100.00"], ["december 2012", "$ 111.77", "$ 108.78", "$ 115.99"], ["december 2013", "$ 143.69", "$ 135.61", "$ 153.55"], ["december 2014", "$ 193.28", "$ 151.74", "$ 174.55"], ["december 2015", "$ 237.92", "$ 177.04", "$ 176.94"], ["december 2016", "$ 286.61", "$ 192.56", "$ 198.09"]], "table_ori": [["Date", "Altria Group, Inc.", "Altria Group, Inc. Peer Group", "S&P 500"], ["December 2011", "$100.00", "$100.00", "$100.00"], ["December 2012", "$111.77", "$108.78", "$115.99"], ["December 2013", "$143.69", "$135.61", "$153.55"], ["December 2014", "$193.28", "$151.74", "$174.55"], ["December 2015", "$237.92", "$177.04", "$176.94"], ["December 2016", "$286.61", "$192.56", "$198.09"]]}

Question: what is the roi of an investment in s&p500 from december 2011 to december 2013?
Evidence:
table_1: date the december 2011 of altria group inc . is $ 100.00 ; the december 2011 of altria group inc . peer group is $ 100.00 ; the december 2011 of s&p 500 is $ 100.00 ;
table_2: date the december 2012 of altria group inc . is $ 111.77 ; the december 2012 of altria group inc . peer group is $ 108.78 ; the december 2012 of s&p 500 is $ 115.99 ;
table_3: date the december 2013 of altria group inc . is $ 143.69 ; the december 2013 of altria group inc . peer group is $ 135.61 ; the december 2013 of s&p 500 is $ 153.55 ;
Program: subtract(153.55, const_100), divide(#0, const_100)
Answer:
str_answer: 53.55%
exe_answer: 0.5355