Problem 6-21 (Algo) Consider the following tasks, times, and predecessors for an assembly of set-top cable converter boxes: TASK ELEMENT TIME (MINUTES) A 1 B 1 C 2 D E F G_ H I 1 3 1 1 2 1 Efficiency PRECEDING TASKS % A B B Given a cycle time of 4 minutes, develop two alternative layouts. Use the longest task time rule and the largest number of following tasks as a secondary criterion. What is the highest efficiency of your layout, assuming the 4-minute cycle time? Note: Enter your answer as a percentage rounded to 2 decimal places. C, D A F G E, H

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Consider the following tasks, times, and predecessors for an assembly of set-top cable converter boxes: Given a cycle time of 4 minutes, develop two alternative layouts. Use the longest task time rule and the largest number of following tasks as a secondary criterion. What is the highest efficiency of your layout, assuming the 4 -minute cycle time? Note: Enter your answer as a percentage rounded to 2 decimal places