Consider the following data for three divisions of a company, X, Y, and Z: Divisional: Sales Operating Income Investment in assets $1,433,000 $986,000 $4,475,000 180, 600 98,100 244,600 493,900 741,100 3,481,300 The return on investment (ROI) for Division Z is: Multiple Choice 7.0% 13.2% 36.6% O 18.7% 9.9% O