what is the 6 year total shareholder return on apple . inc.?
table of contents company stock performance the following graph shows a five-year comparison of cumulative total shareholder return , calculated on a dividend reinvested basis , for the company , the s&p 500 index , the s&p computer hardware index , and the dow jones u.s . technology supersector index . the graph assumes $ 100 was invested in each of the company 2019s common stock , the s&p 500 index , the s&p computer hardware index , and the dow jones u.s . technology supersector index as of the market close on september 30 , 2008 . data points on the graph are annual . note that historic stock price performance is not necessarily indicative of future stock price performance . fiscal year ending september 30 . copyright 2013 s&p , a division of the mcgraw-hill companies inc . all rights reserved . copyright 2013 dow jones & co . all rights reserved . *$ 100 invested on 9/30/08 in stock or index , including reinvestment of dividends . september 30 , september 30 , september 30 , september 30 , september 30 , september 30 .

|  | September 30, 2008 | September 30, 2009 | September 30, 2010 | September 30, 2011 | September 30, 2012 | September 30, 2013 |
| :--- | :--- | :--- | :--- | :--- | :--- | :--- |
| Apple Inc. | $100 | $163 | $250 | $335 | $589 | $431 |
| S&P 500 Index | $100 | $ 93 | $103 | $104 | $135 | $161 |
| S&P Computer Hardware Index | $100 | $118 | $140 | $159 | $255 | $197 |
| Dow Jones US Technology Supersector Index | $100 | $111 | $124 | $128 | $166 | $175 |

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company_return = 431
market_return = 100
percent_return = (company_return - market_return) / market_return
answer = percent_return * 100