Please answer the given financial question based on the context.
Context: shareowner return performance graph the following performance graph and related information shall not be deemed 201csoliciting material 201d or to be 201cfiled 201d with the securities and exchange commission , nor shall such information be incorporated by reference into any future filing under the securities act of 1933 or securities exchange act of 1934 , each as amended , except to the extent that the company specifically incorporates such information by reference into such filing . the following graph shows a five year comparison of cumulative total shareowners 2019 returns for our class b common stock , the standard & poor 2019s 500 index , and the dow jones transportation average . the comparison of the total cumulative return on investment , which is the change in the quarterly stock price plus reinvested dividends for each of the quarterly periods , assumes that $ 100 was invested on december 31 , 2005 in the standard & poor 2019s 500 index , the dow jones transportation average , and our class b common stock . comparison of five year cumulative total return $ 40.00 $ 60.00 $ 80.00 $ 100.00 $ 120.00 $ 140.00 $ 160.00 201020092008200720062005 s&p 500 ups dj transport .
||12/31/05|12/31/06|12/31/07|12/31/08|12/31/09|12/31/10|
|united parcel service inc .|$ 100.00|$ 101.76|$ 98.20|$ 78.76|$ 84.87|$ 110.57|
|standard & poor 2019s 500 index|$ 100.00|$ 115.79|$ 122.16|$ 76.96|$ 97.33|$ 111.99|
|dow jones transportation average|$ 100.00|$ 109.82|$ 111.38|$ 87.52|$ 103.79|$ 131.59|
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Question: what is the difference in total cumulative return on investment between united parcel service inc . and the dow jones transportation average for the five year period ending 12/31/10?


Answer: The answer is:0.3159