Please answer the given financial question based on the context.
Context: stock total return performance the following graph compares our total return to stockholders with the returns of the standard & poor 2019s composite 500 index ( 201cs&p 500 201d ) and the dow jones us select health care providers index ( 201cpeer group 201d ) for the five years ended december 31 , 2018 . the graph assumes an investment of $ 100 in each of our common stock , the s&p 500 , and the peer group on december 31 , 2013 , and that dividends were reinvested when paid. .
||12/31/2013|12/31/2014|12/31/2015|12/31/2016|12/31/2017|12/31/2018|
|hum|$ 100|$ 140|$ 176|$ 202|$ 247|$ 287|
|s&p 500|$ 100|$ 114|$ 115|$ 129|$ 157|$ 150|
|peer group|$ 100|$ 128|$ 135|$ 137|$ 173|$ 191|
the stock price performance included in this graph is not necessarily indicative of future stock price performance. .
Question: what is the highest return for the first year of the investment?


Answer: The answer is:40.0