15Beta Company sells optical equipment, and orders lenses from Alpha Company which manufactures special glass lenses. Beta orders 11590 lenses per year, at $38 per lens. Alpha covers all shipping costs. Beta earns 20% on its cash investments. The purchase-order lead time is 17 weeks. Beta works for 42 weeks in a year. The following data are available:

Relevant ordering costs per purchase order $43.09

Relevant carrying cost, including insurance,

materials handling, breakage, and so on, per unit $5.00

Compute the economic order quantity (EOQ) for Beta.