ken bought 500 shares of a stock for $24.00 per share on January 1, 2013. He received a dividend of $3.50 per share at the end of 2013 and $3.00 per share at the end of 2014. At the end of 2015, ken collected a dividend of $4.00 per share and sold his stock for $10.00 per share. What is ken's realized total rate of return? (5 points)