Digital Eye must design an assembly line to produce a new line of slim digital cam- eras. Assembling a single camera requires the completion of nine distinct tasks, and information about each of these tasks is provided below:

This assembly line operates 8 hours a day to produce 576 digital cameras daily. Digital Eye uses the LPT rule to create the design.

a. What is the cycle time of Digital Eye's assembly line, in seconds?

b. How many workstations are required by this design and what tasks are done at which workstation?

c. Which workstation enjoys the maximum idle time? How efficient is this design? What is the balance delay?

d. How does the actual number of workstations required by this design compare to its theoretical minimum number of workstations?

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Task Immediate Predecessors Task Duration (sec.) A none 10 sec. B C AA 30 25 18 D B E B 5 F B 17 G D, E 37 H C, F 30 H 12