You've observed the following retums on Pine Computer's stock over the past five years: 14 percent, -7 percent, 17 percent, 15 percent, and 10 percent. What was the arithmetic average return on the company's stock over this five-year perlod? (Do not round Intermediate calculations and enter your answer as a percent rounded to 1 decimal place, e.g., 321.) b-1. What was the varlance of the company's returns over this period? (Do not round Intermedlate calculations and round your answer to 5 decimal places, e.g., .16161.) b-2. What was the standard deviation of the company's returns over this perlod? (Do not round Intermedlate calculations and enter your answer as a percent rounded to 2 declmal places, e.g., 3216.) 2. Average retum b-1. Varance b-2. Standard deviation % Year 1 Returns X Y 20% 15% 35 9 -16 -21 10 5 Using the returns shown above, calculate the arithmetic average returns, the varlances, and the standard deviations for X and Y. (Do not round Intermedlate calculations. Enter your average return and standard devlation answers as a percent rounded to 2 declmal places, e.g., 32.16, and round the varlance answers to 5 decimal places, e.g., 16161.) Average returns % Variances Standard deviations 96 %