Problem 5-7 0.8 points XYZ stock price and dividend history are as follows: eBook Year 2015 2016 2017 Beginning-of-Year Dividend Paid at Price Year-End $ 130 153 128 References 2018 An investor buys five shares of XYZ at the beginning of 2015, buys another two shares at the beginning of 2016, sells one share at the beginning of 2017, and sells all six remaining shares at the beginning of 2018 a. What are the arithmetic and geometric average time weighted rates of return for the investor? (Do not round intermediate calculations. Round your answers to 2 decimal places.) Arithmetic mean Geometric mean