Four trucks, 1, 2, 3, and 4 are waiting on a loading dock at ABC Company that has only a single service bay. The trucks are labeled in the order that they arrived at the dock. Assume the current time is 1:00 PM. The times required to unload each truck and the times that the goods they contain are due in the plant are given in the following table. Truck 1 2 3 4 Unloading Time (minute) Time Material is Due 20 1:25 PM 14 1:45 PM 35 1:50 PM 10 1:30 PM Using the Critical Ratio (CR) rule, determine the schedule and complete the following: Instruction: Enter all your answer with 2 decimal places, unless otherwise noted. 1. The mean flow time is 2. The average tardiness is 3. The number of tardy trucks is 4. The flow time for Truck 3 is 5. The first truck to be unload is Truck No. minutes. minutes. minutes. (Enter integer) 6. The last truck to be unloaded is Truck No. . . (Enter integer) 7. The completion time for Truck No. 1 is PM. (Enter as X:XX, use 12-hour format)

Four trucks, 1, 2, 3, and 4 are waiting on a loading dock at ABC Company that has only a single service bay. The trucks are labeled in the order that they arrived at the dock. Assume the current time is 1:00 PM. The times required to unload each truck and the times that the goods they contain are due in the plant are given in the following table. Truck 1 2 3 4 Unloading Time (minute) Time Material is Due 20 1:25 PM 14 1:45 PM 35 1:50 PM 10 1:30 PM Using the Critical Ratio (CR) rule, determine the schedule and complete the following: Instruction: Enter all your answer with 2 decimal places, unless otherwise noted. 1. The mean flow time is 2. The average tardiness is 3. The number of tardy trucks is 4. The flow time for Truck 3 is 5. The first truck to be unload is Truck No. minutes. minutes. minutes. (Enter integer) 6. The last truck to be unloaded is Truck No. . . (Enter integer) 7. The completion time for Truck No. 1 is PM. (Enter as X:XX, use 12-hour format)