what was the percentage cumulative total return for apple inc . for the five year period ended september 2018?
apple inc . | 2018 form 10-k | 20 company stock performance the following graph shows a comparison of cumulative total shareholder return , calculated on a dividend-reinvested basis , for the company , the s&p 500 index , the s&p information technology index and the dow jones u.s . technology supersector index for the five years ended september 29 , 2018 . the graph assumes $ 100 was invested in each of the company 2019s common stock , the s&p 500 index , the s&p information technology index and the dow jones u.s . technology supersector index as of the market close on september 27 , 2013 . note that historic stock price performance is not necessarily indicative of future stock price performance . * $ 100 invested on september 27 , 2013 in stock or index , including reinvestment of dividends . data points are the last day of each fiscal year for the company 2019s common stock and september 30th for indexes . copyright a9 2018 standard & poor 2019s , a division of s&p global . all rights reserved . copyright a9 2018 s&p dow jones indices llc , a division of s&p global . all rights reserved . september september september september september september .

|  | September2013 | September2014 | September2015 | September2016 | September2017 | September2018 |
| :--- | :--- | :--- | :--- | :--- | :--- | :--- |
| Apple Inc. | $100 | $149 | $173 | $174 | $242 | $359 |
| S&P 500 Index | $100 | $120 | $119 | $137 | $163 | $192 |
| S&P Information Technology Index | $100 | $129 | $132 | $162 | $209 | $275 |
| Dow Jones U.S. Technology Supersector Index | $100 | $130 | $130 | $159 | $203 | $266 |

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start_value = 100
end_value = 359
percent_return = (end_value - start_value) / start_value
answer = percent_return * 100