Vision Company sells optical equipment. Blitz Company manufactures special glass lenses. Vision orders 11,400 lenses per year, 220 per week, at $40 per lens. Blitz covers all shipping costs. Vision earns 22% on its cash investments. The purchase-order lead time is 3.0 weeks. Vision sells 315 lenses per week. The following data are available:

Relevant ordering costs per purchase order	$47.25
Relevant insurance, materials handling, breakage, and so on, per year	$5.50

What is the reorder point?

945 lenses

1605 lenses

660 lenses

1318 lenses