ABC stock price at the beginning of each year and dividend history are as follows:

2010	$100	$4
2011	$120	$4
2012	$95	$4

An investor buys 3 shares of ABC at the beginning of 2010, buys another share at the beginning of 2011, sells all shares at the beginning of 2012. What are the arithmetic and geometric average time-weighted rates of return for the investor?