At JQK, inc there are five jobs awaiting processing. Each of these jobs must first be processed on WC1 before being processed on WC2. once a job is starred on WC1, it must be completed before being bugun on WC2. Similarly, jobs cannot be interrupted once they are begun on WC2. The jobs and their required processing times (hours) on each work center are as follows: Job WC1 WC2 H 5 4 I 3 7 J 9 3 K 2 6 L 6 5

Suppose thes jobs are sequenced so as to minimize their makespan. As a result of that sequencing, how much idle time will there be on WC2?

A) 1 hour

B) 2 hours

C) 4 hours

D) 3 hours

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