$56$ register tape averages $12$ rolls. Usage appears normally distributed with a standard deviation of $2$ rolls per day. The fixed ordering cost for the tape is $$3$ per order and carrying costs are $40$ cents per roll a year. The order lead time is $4$ days, which is a constant.

How much should be ordered for each order?

$251$ rolls

$230$ rolls

$241$ rolls

$221$ r$$ns

Question $15(4$ points$)$

Refer to the information in Q$14.$

What ROP will provide a cycle service level of $96\%?$