Use the following returns for X and Y.

	Returns
Year	X					Y
1			21.7	%				26.1	%
2			16.7					3.7
3			9.7					28.1
4			19.4					14.4
5			4.7					32.1

a.	Calculate the average returns for X and Y. (Do not round intermediate calculations and enter your answers as a percent rounded to 2 decimal places, e.g., 32.16.)
b.	Calculate the variances for X and Y. (Do not round intermediate calculations and round your answers to 6 decimal places, e.g., 32.161616.)
c.	Calculate the standard deviations for X and Y. (Do not round intermediate calculations and enter your answers as a percent rounded to 2 decimal places, e.g., 32.16.)