Question: Sue is developing a periodic inventory control system for a manufactured part. Company records show that the weekly mean forecast is 25 units, the weekly
Sue is developing a periodic inventory control system for a manufactured part. Company records show that the weekly mean forecast is 25 units, the weekly MAD is 5 units, the EOQ = 150 and lead time is 1 week. How many units of safety stock are needed to achieve a 95% customer service level (z = 1.645)?
Select one:
a. Greater than 30.
b. Great than or equal to 20 but less than 25.
c. Greater than or equal to 25 but less than 30.
d. Less than 20.
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