A new logistics analyst has approached you regarding a potential problem. Her analysis indicates the cost of a back order is $30 for our Autographed Footballs, but she is not sure what the appropriate safety stock should be. Given this back order cost, what would you suggest as the appropriate level of safety stock?

Football cost	$200
Annual Demand	5000 units
Cost per Order	$250
Cost to hold the item per year	40%
Economic order quantity	177
Lead Time	2 weeks
Standard Deviation of Forecasted Demand During Lead Time	20

choose the correct answer:

20

27

30

33

35