human
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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Please answer the following question with expressions if necessary.
so what was the percentage growth during this time?
assistant
subtract(495, 100), divide(#0, 100)