The following information is available for a firm:

• Demand = 5,200 units/year
• Standard deviation of weekly demand = 11 units
• Ordering costs = $45/order
• Holding costs = $2/unit/year
• Cycle-service level = 90%
• Lead-time = 3 weeks
• Number of weeks per year = 52 weeks

If a firm uses a continuous review system to control the inventory, what would be the reorder point?

A. Between 600 and 1200 units

B. above 1200 units

C. between 1 and 300 units

D. between 301 and 600 units