Question

6-4)A manager wants to assign tasks to workstations as efficiently as possible, and achieve an hourly output of 4 units. The department uses a working time of 56 minutes per hour. Assign the tasks shown in the accompanying precedence diagram (times are in minutes) to workstations using the following rules:


 a.In order of most following tasks. Tiebreaker: greatest positional weight.
 Work Station  TasksI(Click to select)E, HD, B, CF, A, GA, GI  II(Click to select)D, B, CIF, A, GE, HD  III(Click to select)IF, A, GHE, HD, B, C  IV(Click to select)B,EF, A, GE, HHI  
 b.In order of greatest positional weight.
 Work StationTasksI(Click to select)C, DG, HD, CF, GF, D  II(Click to select)F, A, GG, A, BE, HG, HB, C  III(Click to select)AB,EC, EF, GD, C, F  IV(Click to select)H, IGAB,EH  
 c.What is the efficiency? (Round your answer to 2 decimal places. Omit the “%” sign in your response. )
    Efficiency

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