Question 5 View Policies Current Attempt in Progress Presented below is selected information for three regional divisions of Medina Company North Contribution margin $300,600 Controllable margin $139,500 Average operating assets $930,000 Minimum rate of return 13% Divisions West $499,300 $360,800 $1,640,000 14% South $399,100 $210,000 $1,400,000 Compute the return on investment for each division North Division West Division South Division SL