5. The Vroom Vacuum Company is installing an assembly line to produce a new model of vacuum cleaner, and as the operations manager, your job is to balance the line. The tasks that need to be performed are listed below, along with the time required to perform each task and its immediate predecessor(s). The line will produce 290 units in a full 8-hour work shift.

a. Assign tasks to work sections by choosing the longest task that can be assigned to each opportunity.

b. Compute the efficiency of the line you developed in part a.

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TASK TIME (SECONDS) PREDECESSOR(S) A 50 None B 23 A C 30 A D 20 A E 38 A F 21 B GHIJKLMN 20 C 16 D 13 E 41 , G 45 H, I 20 222 20 12 J K L, M