Referring to table 4 (i) and (ii) , complete the Material Requirements Planning (MRP) and determine when to Purchase Orders placed for the spokes.

Table (1) 14 12 13 15 16 17 80 70 90 120 100 85 50 . 40 30 125 . week Demand for the bikes Demand of Front Rim The demand of Rear Rim 70 60 80 . Table (ii) Lead Stock on Hand Batch Size Safety Stock Time Part/Compone nt Bike Front wheel Rear wheel 1 180 100 0 1 150 120 100 1 80 150 125 2 100 150 100 Front Rim Rear Rim 2 200 100 100 Front Hub 1 100 150 50 Rear Hub 1 140 100 50 Spokes 1 8600 3,000 1,100