Presented below is selected information for three regional divisions of Medina Company. Contribution margin Controllable margin Average operating assets Minimum rate of return North $299,100 $140.000 $1.000.000 13 % Divisions West $500,700 $360,000 $1.500.000 15 % South $400,200 $208,600 $1,490,000 10 % (a) Your answer is correct. Compute the return on investment for each division. North Division 14 % West Division 24 % South Division 14 % e Textbook and Media Attempts: 3 of 7 used (b) Compute the residual income for each division. North Division $ West Division $ South Division $