4. Please click on the number of the firm whose assets are most productive in generating sales. Firm 1 2 3 ROS% GM% ROA% ROE%A/T 2.63 25 5.19 12.8 1.97 1.67 20 4.11 11.8 2.47 2.57 13 4.63 13.2 1.80 EPS $.63 $.57 $.45 P/E 8 14 10 PO96 59 46 63 XI 2.13 2.75 2.89 Firm 1 Firm 2 Firm 3