Q3. Table Q4 summarized a processing task for product XX. The factory is operating 8 hours per day. Table Q4 i) Draw a precedence diagram for product XX. ii) Determine the maximum cycle time and output at maximum cycle time. iii) Calculate the cycle time, actual number of workstation and the efficiency of the production line (employ heuristic rules in assigning the task) if the demaged is 300 units, iv) Evaluate the efficiency of the production line if the demand is suddenly drop to half in the following month. Comment your answer as comparing with (iii). Answer : iii. Efficiency =75% iv. Efficiency =62.5%