Over the last six years the shares of company XYZ's stock had returns of 11 percent, 16 percent, 18 percent, 17 percent, 19 percent, and 17 percent.

Required:
(a)	Calculate the arithmetic average return.
	(Click to select) 16.33% 19.60% 16.43% 17.15% 16.53%

(b)	Calculate the geometric average return.
	(Click to select) 19.87% 16.40% 16.30% 16.10% 16.57%