Over the last six years the shares of company XYZ's stock had returns of 17 percent, 18 percent, 11 percent, 17 percent, 11 percent, and 2 percent.

Required:
(a)	Calculate the arithmetic average return.
	(Click to select) 12.67% 12.77% 15.20% 13.30% 12.87%

(b)	Calculate the geometric average return.
	(Click to select) 15.21% 12.33% 12.63% 12.91% 12.53%