You have been asked to set up an assembly line to assemble a computer mouse. The precedence network is shown in Exhibit 8.12; task times in minutes are given in parentheses. There are 480 minutes of assembly time per shift and the company operates one shift each day. The required output rate is forecasted to be 60 units per shift.
Exhibit 8.12 Precedence Network for Problem 12
a. Balance the assembly line using the longest processing time rule. State the tasks associated with each workstation, total time, and idle time.
b. What is the assembly line efficiency?

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