Presented below is selected information for three regional divisions of Medina Company.

Divisions
North	West	South
Contribution margin	$299,800	$499,100	$400,100
Controllable margin	$139,900	$360,000	$210,100
Average operating assets	$932,667	$1,440,000	$1,400,667
Minimum rate of return	11	%	14	%	10	%

(a) Compute the return on investment for each division.(Round ROI to 0 decimal places, e.g. 15.)

North Division		%
West Division		%
South Division		%