(Related to Checkpoint 7.1)(Calculating rates of return)On December 3 , 2007, the common stock of Google Inc. (GOOG) was trading for $681.53. One year later the shares sold for only $279.43. Google has never paid a common stock dividend. What rate of return would you have earned on your investment had you purchased the shares on December , 2007? The rate of return you would have earned is nothing%. (Round to two decimal places.) (Calculating rates of return)

The common stock of Placo Enterprises had a market price of $ 10.28 on the day you purchased it just one year ago. During the past year the stock had paid a dividend of $1.31 and closed at a price of $12.51. What rate of return did you earn on your investment in Placo's stock? The rate of return you earned on your investment in Placo's stock is nothing%. (Round to two decimal places.)