what was the cumulative percentage return for the four years ended september 30 , 2010 for apple inc.?
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 composite index , the s&p computer hardware index , and the dow jones u.s . technology index . the graph assumes $ 100 was invested in each of the company 2019s common stock , the s&p 500 composite index , the s&p computer hardware index , and the dow jones u.s . technology index on september 30 , 2006 . data points on the graph are annual . note that historic stock price performance is not necessarily indicative of future stock price performance . comparison of 5 year cumulative total return* among apple inc. , the s&p 500 index , the s&p computer hardware index and the dow jones us technology index sep-10sep-09sep-08sep-07sep-06 sep-11 apple inc . s&p 500 s&p computer hardware dow jones us technology *$ 100 invested on 9/30/06 in stock or index , including reinvestment of dividends . fiscal year ending september 30 . copyright a9 2011 s&p , a division of the mcgraw-hill companies inc . all rights reserved . copyright a9 2011 dow jones & co . all rights reserved . september 30 , september 30 , september 30 , september 30 , september 30 , september 30 .

|  | September 30, 2006 | September 30, 2007 | September 30, 2008 | September 30, 2009 | September 30, 2010 | September 30, 2011 |
| :--- | :--- | :--- | :--- | :--- | :--- | :--- |
| Apple Inc. | $100 | $199 | $148 | $241 | $369 | $495 |
| S&P 500 | $100 | $116 | $91 | $85 | $93 | $94 |
| S&P Computer Hardware | $100 | $148 | $124 | $147 | $174 | $197 |
| Dow Jones US Technology | $100 | $123 | $94 | $104 | $117 | $120 |

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start_price = 100
end_price = 369
percent_change = (end_price - start_price) / start_price
answer = percent_change * 100