The change in the average price of a gallon of milk from 2011 to 2013 is shown in the chart below.
Year: Price Change:
2011 -0.57
2012 +0.25
2013 -0.08
At the end of 2010, the price of a gallon of milk was $3.47.
What was the price of a gallon of milk at the end of 2013?