Presented below is selected information for three regional divisions of Medina Company. Contribution margin Controllable margin Average operating assets Minimum rate of return North $300,300 $140,000 $1,000,000 11 % Divisions West $500,100 $361,100 $1,570,000 15 %. South $399,300 $208,600 $1.490,000 9 .% (a) Your answer is correct. Compute the return on investment for each division North Division 14 West Division 23 South Divina Your answer is incorrect Assume that each division has an investment opportunity that would provide a rate of return of 16%. performance, which division or divisions will probably make the additional investment? to measure performance, which division or divisions will probably make the additional investment