1.A stock you are looking at has generated the following annual returns: 15.0%, -15.0% and 9.0%. What was its compound average annual return? Answer in percent, rounded to two decimal places (e.g., 4.32% = 4.32).

2.A stock you are looking at has generated the following annual returns: 15.0%, -15.0% and 9.0%. What was its total return during that period? Answer in percent, rounded to two decimal places (e.g., 4.32% = 4.32).

3.A stock you are looking at has generated the following annual returns: 15.0%, -15.0% and 9.0%. What was the standard deviation of its returns? Answer in percent, rounded to two decimal places (e.g., 4.32% = 4.32).

4.A stock has generated an annual average return of 15.0% with a standard deviation of 25.0% during the last 10 years. If the average risk-free rate was 2.1%, what was this stock's Sharpe Ratio? Round to two decimal places.