The following table shows historical beginning-of-year prices for two stocks. Part 1 Attempt 1/10 for 10 pts. Calculate the annual returns. What was the arithmetic average annual return for stock B? Part 2 Attempt 1/10 for 10pts. What was the variance for stock B? Part 3 Attempt 1/10 for 10 pts. What was the standard deviation for stock B? Part 4 Attempt 1/10 for 10 pts. What was the covariance of returns