1: 15 points The plastics purchasing team needs to determine the optimum ordering strategy for their plastic purchases to make the wide variety of plastic parts that go into various products. They order from their supplier on a weekly basis. The supplier will give them a 15% discount on any amount over 2,000 lbs. (the <= 2,000 lb. cost will not change, just the amount above 2,000.) The following table describes the demand and costs per lb. before the discount. Week 1 Week 2 Week 3 Week 4 Week 5 Demand (lbs.) 2,289 3,052 1,124 1,783 4,200 Before discount cost per lb. $7.60 $10.00 $6.00 $6.90 $10.00