Sophia's Sunglasses Shoppe sells 8,320 sunglasses per year. The standard deviation of daily demand is 8 units. The average lead time is 12 days with a standard deviation of 3 days. The estimated cost to process orders is $50 and the carrying rate is 30%. The store operates 260 days per year. The service level is 95%. What is the safety stock (SS)? (round to the nearest whole number) 548 384 713 164 Sophia's Sunglasses Shoppe sells 8,320 sunglasses per year. The average lead time is 12 days with a standard deviation of 3 days. The estimated cost to process orders is $50 and the carrying rate is 30%. The store operates 260 days per year. The service level is 95%. What is the safety stock (SS)? (round to the nearest whole number) 542 158 384 384