Exercise 22-20 (Part Level Submission) Presented below is selected information for three regional divisions of Medina Company Divisions West North $301,000 $140,600 $937,333 South $399,300 $209,100 Contribution margin Controllable margin Average operating $500,500 $360,800 $2,004,444$1,394,000 assets Minimum rate of returrn 12 % 14 % 10% Compute the return on investment for each division. (Round ROI to 0 decimal places, e.g. 15.,) North Division West Division South Division