Barbara Flynn is in charge of maintaining hospital supplies at General Hospital. During the past? year, the mean lead time demand for bandage? BX-5 was 60 units ?(and was normally? distributed). Furthermore, the standard deviation for? BX-5 was 77. Ms. Flynn would like to maintain a 95?% service level. Refer to the standard normal table for? z-values. ?a) What safety stock level do you recommend for? BX-5? ?b) What is the appropriate reorder? point?