The manager of the Quick Stop convenience store (which never closes) sells 24 six packs of Fizzy soda each day. Order costs are $8.00 per order, and Fizzy soda costs $4.00 per six-pack. Holding costs are $1 per six pack. Orders arrive five days from the time they are placed.
A) If lead time is constant and demand is normally distributed with a standard deviation of 5 six packs, what safety stock should Quick Stop carry for a 99% service level (round to nearest whole number)? Round to the nearest whole number.
B) If demand is constant and lead time is normally distributed with a standard deviation of 2 days, what safety stock should Quick Stop carry for a 95% service level (round to the nearest whole number)?
C) If demand varies with a standard deviation of 5 six packs and lead time varies with a standard deviation of 2 days and the Quick Stop carries safety stock for a 98% service level, what is the reorder point (round to the nearest whole number)?