Barbra 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...

Barbra 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 (and was normally distributed). Furthermore, the std. deviation for bx-5 was 7. Ms. Flynn would like to maintain a 90% service level. a) what safety stock level do you recommend? b) what is the appropriate reorder point?