Presented below is selected information for three regional divisions of Medina Company. Divisions South North West $500,500 $141,000 360,000 $208,500 $2,000,000 $301,000 $399,300 Contribution margin Controllable margin Average operating assets Minimum rate of return $940,000 $1,390,000 14 % 10% 12 % Compute the return on investment for each division North Division West Division South Division