. A manager wants to assign tasks to workstations as efficiently as possible and achieve an hourly output of four 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:

In order of most following tasks. Tiebreaker: greatest positional weight.

In order of greatest positional weight. Tiebreaker: most following tasks.

What is the efficiency?

Show how you assigned tasks with time available, tasks eligible, etc.