( 22 points total) 3. The diagram below shows the precedence relationships and task times (in minutes) for assembly of a product. The table provides the task times for each task. (4 pts.) a) Fill in the positional weights in the table above for A, B, C and D. (14 pts.) b) Using the positional weights from the table and a cycle time of 9 minutes per workstation, assign the 7 tasks to workstations using the ranked positional weight technique. Show all your work and indicate below the sequential assignments of the tasks to workstations (1st,2nd,3rd, etc. ) below