Question 1 A product has 8 elements with their times and immediate predecessors shown in the following table. Task Time (mins) Immediate Predecessor 5 4 3 4 A B D E F G H 2 B B D, E, F G B 3 4 a) Draw the precedence diagram. (2 marks) b) Identify two layouts which would produce at a rate of at least 8 units per hour. (4 marks) c) Which is the optimum layout? Why? (1 mark) d) What is (0) the balancing loss and (ii) the maximum possible output per hour? (1 mark each 2 marks)) The following table gives the components, their dependents, the lead times and stock on-hand for a robot. Item On Hand Lead Time Weeks) 2 1 1 2 2 3 2 Dependent Components B, G, C13) E, F G(2), H Robot B E F G H 10 5 20 4 8 15 10 e) Draw the product structure. (2 marks) f) Assuming zero stock, compute the scheduled receipt dates and quantities and the delivery date if the customer demands 10 robots as soon as possible. () (3 marks) g) Construct the materials plan (order dates and quantities) if 20 robots are required in Week 6. (6 marks)