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Consider the assembly line of a laptop computer. The line consists of 12 stations and operates at a cycle time of 1.50 minutes/unit. Their most error-prone operation is step 1. There is no inventory between the stations, because this is a machine-paced line. Final inspection happens at station 12.

What would be the information turnaround time for a defect made at station 2?

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Answer:

Answer is 15 minutes.

Explanation:

Cycle time of whole line = 1,5 minutes/ unit  

This means that one unit is made in 1.5 minutes. In the line of 10 stations the 1st step is the most error prone.  

Error made at step 2 means that unit must be processed by 10 other stations in order to be made and inspected at 12th station.  

Thus, Information turnaround time = cycle time x number of stations after error is made = 1.5 x 10 = 15 minutes  

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