Annual demand for an item is 18,000 units with the cost per unit at $440. The holding rate is 8% and the order cost is $21.00 per order. The standard deviation of daily demand is 2 units. Assume 263 days in the year and a lead-time of 7 days. If a service level of 98% is desired during the reorder interval, what is the reorder point?
A. ≈478 units
B. ≈490 units
C. ≈501 units
D. ≈532 units