Please answer the given financial question based on the context.
Context: stock performance graph : the graph below shows the cumulative total shareholder return assuming the investment of $ 100 , on december 31 , 2011 , and the reinvestment of dividends thereafter , if any , in the company 2019s common stock versus the standard and poor 2019s s&p 500 retail index ( 201cs&p 500 retail index 201d ) and the standard and poor 2019s s&p 500 index ( 201cs&p 500 201d ) . .
|company/index|december 31 , 2011|december 31 , 2012|december 31 , 2013|december 31 , 2014|december 31 , 2015|december 31 , 2016|
|o 2019reilly automotive inc .|$ 100|$ 112|$ 161|$ 241|$ 317|$ 348|
|s&p 500 retail index|100|125|180|197|245|257|
|s&p 500|$ 100|$ 113|$ 147|$ 164|$ 163|$ 178|
.
Question: what is the total return generated if $ 10 million are invested in s&p500 in 2011 and sold in 2013 , in millions?


Answer: The answer is:4.7