China Stars stock price and dividend history are as follows:

An investor buys three shares of Star at the beginning of 2015, sells one share at the beginning of 2016, sells one share at the beginning of 2017, and sells remaining share at the beginning of 2018. What are the arithmetic and geometric average time-weighted rates of return for the investor?

Year Beginning Year Price Dividend Paid Year End 2015 $50 $2 2016 $53 $2 2017 $45 $2 2018 $52 $2