(a) Complete the following transportation tableau using the minimum cell cost method. (2 marks) Period of Use 2 3 Period of Production Capacity 1 Unused Capacity 4 0 2 4 6 Beg. Inventory 400 60 62 64 66 500 Regular 80 82 84 86 100 1 Overtime 90 92 94 96 150 Subcontract 65 60 62 64 400 Regular 85 80 82 84 50 2 Overtime 95 90 92 94 100 Subcontract 70 65 60 62 500 Regular 90 85 80 82 100 3 Overtime 100 95 90 92 150 Subcontract 75 70 65 60 400 Regular 95 90 85 80 50 Overtime 105 100 95 90 200 Subcontract 750 700 Demand 750 700 (b) Based on the aggregate plan in (a), determine the quantity of ending inventory for each period. (2 marks) Production Plan Regular Period Demand Overtime Subcontract Production Ending Inventory 1 2 3 4 TOTAL (c) Determine the total cost for this aggregate plan. (1 mark)