ABC company is attempting to minimize total inventory cost. The cost of each unit is $2.25. The cost of capital is 15% and the physical cost of maintaining this inventory is currently running at 7%. The purchasing officer can place an order in 25 minutes with materials and overhead cost of $7.50 per order. The purchase officer is currently paid $18.00 per hour. Records show, average weekly sales to be 12,000 units. How often should ABC place each order?

A. 6050

B. 6150

C. 6350

D. 6250

Information is complete, no missing information