Over the last six years the shares of company XYZ's stock had returns of 20 percent, 16 percent, 15 percent, 14 percent, 20 percent, and 11 percent.

Required:
(a)	Calculate the arithmetic average return.
	(Click to select) 16.10% 16.00% 16.80% 16.20% 19.20%

(b)	Calculate the geometric average return.
	(Click to select) 15.96% 19.44% 15.76% 16.24% 16.06%