A firm has determined that its optimal EOQ ordering quantity is 1,250 units for a certain product. Average daily demand is 90 units with a standard deviation of 8 units. Order lead time is 7 days. To maintain a 95% service level, what should the target inventory level be?
a. 1,250
b. 1,940
c. More than 2,000
d. Target inventory level cannot be determined from the information given