SQU hospital orders a medicine that costs 4 OMR per unit. The annual holding cost per unit is 20 percent of the unit price of the medicine. Ordering cost is 100 OMR per order. The lead time is 2 weeks, and the weekly demand during the lead time is random, following normal distribution with a mean 30 units and a standard deviation of 5 units. Assume there are 52 weeks in a year. If the continuous review policy is followed, then what should be the Reorder level, if the hospital only permits 15 percent probability for stockout? Round-up to the nearest integer. O a. 68 O b. 77 O c. 70 O d. 66 e. None is correct

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