An assembly line has three operations in sequence. The work-centers take 5, 3, and 2 minutes per job. (So job 1 enters the first work-center, where it takes 5 minutes; then it is moved to the second work center where it takes 3 minutes while job 2 enters the first work-center, etc.)

What is the throughput of this line (as number of jobs completed per hour in the long run)?

Provide answer to two decimal places.

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In the above line, if the first work-center operation time is reduced by ten percent, what is the throughput of this line (as number of jobs completed per hour in the long run)? (Provide two decimal places)

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In the above line, if the second work-center operation time is reduced by ten percent, what is the throughput of this line (as number of jobs completed per hour in the long run)?

(Provide answer to two decimal places)