[ 12 pts. ] A production facility assembles telephones on a production line. The assembly requires 12 tasks with precedence relationships, activity times, and positional weights as shown below. Task Positional Immediate Time Predecessors weight 1 12 70 2 2. 1 6 58 3 2 6 31 4 2 27 15 5 2 2 20 6 2 12 29 7 3,4 7 25 8 17 15 18 9 15 18 10 9,6 4 17 11 8, 10 6 13 12 11 1. [3 pts. ] What is the minimum cycle time that is possible? 2. [3 pts. ] Based on the ranked positional weight technique, how many stations are actually required for the cycle time indicated in part (a)? 3. [3 pts. ] What are the tasks assigned to station 4 based on the ranked positional weight technique? (Put a dash or space between the tasks (e.g., 1-2-3-4 OR 1 2 3 4)