Vision Company sells optical equipment. Blitz Company manufactures special glass lenses. Vision orders 12,200 lenses per year, 200 per week, at $42 per lens. Blitz covers all shipping costs. Vision earns 21% on its cash investments. The purchase-order lead time is 2.0 weeks. Vision sells 225 lenses per week. The following data are available: $41.25 Relevant ordering costs per purchase order Relevant insurance, materials handling, breakage, and so on, per year $8.50 What is the reorder point? 400 lenses 450 lenses 869 lenses 850 lenses