The tasks shown in the following precedence network are to be assigned to workstations with the intent of minimizing percentage idle time. Management desires an output rate of 275 units per day. Assume 440 minutes are available per day. 5 2 9 2 4 6 8 8 7 2 3 5 7 End) 6 13 10 6 4 5 9 10 11 12 a. Compute the earliest start time, earliest finish time, latest finish time, latest start time, and activity slack time. b. Identify the critical activities. c. Determine the duration of the project