Presented below is selected information for three regional divisions of Medina Company. Contribution margin Controllable margin Average operating assets Minimum rate of return North $300,800 $141,000 $940,000 11 % Divisions West $499,900 $360,800 $1,640,000 14 % South $400,300 $210,000 $1,400,000 10 % (a) Compute the return on investment for each division. North Division % West Division 96 South Division e Textbook and Media (b) "The parts of this question must be completed in order. This part will be available when you complete the part above The parts of this question must be completed in order this part will be available when you complete the part above