Consider the following data for three divisions of a company, X, Y, and Z: Divisional: Sales Operating Income Investment in assets Y $ 1,483,000 216,100 625,600 $ 805,000 59,700 292,500 The return on sales (ROS) for Division Z is: (Round your percentages to one decimal place.) Z $ 5,005,000 263,800 3,179,600 Multiple Choice 5.3% 8.3%. 7.4%. 14.6%. 20.4%.