A school cafeteria has the following four activities in serving dinner. Time (seconds) Activity A. Serve drinks and salachs 10 B. Serve vegetables 38 C. Serve entree 45 D. Collect payment (last activity) 49 If each activity is performed by a different person, with four employees, what is the cafeteria's direct labor utilization (DLU) under this setting? Numbers only (e.g., 0.445 is acceptable, but NOT 44.5%), keep three decimals if not exact, either round up or down is ok