Assume the that over the past couple of years your investment into a stock that pays no dividends was as follows:

Year	Starting price	Shares bought/sold
2010	49.5	50 bought
2011	55.5	100 bought
2012	50.8	150 sold

What is your dollar-weighted annual return for over this period for this investment?

Enter answer in percents, to two decimal places.

Correct Answer -3.89 1%

How do you get this answer?