The manufacturer of children's toys designed a special toy truck that can be assembled in 8 basic steps. The required time and predecessors for the tasks can be seen in the table below. There are 7.5 productive hours available in a day and the manufacturer wishes to produce 400 units.. a. Draw the precedence diagram for this process. [4 marks] b. Calculate the cycle time for this process. [3 marks] c. Calculate the theoretical minimum number of workstations. [3 marks] d. Assign the tasks to work stations using the LOT rule. [8 marks] e. The process design team realizes that the potential spike in demand for this device requires increased output. They elect to add a seventh worker to their production team at the first station. What is the net effect of adding this worker? [2 MARKS] f. Calculate the efficiency of the line. [3 marks] g. Calculate the total idle time. [2 marks]