$.[$Periodic Review System$]$

$[3$ points$]$ Recall that demand for the bird feeder is normally distributed with a mean of $18$

units per week and a standard deviation in weekly demand of $5$ units. The lead time is $2$

weeks, and the business operates $52$ weeks per year.

In a Q system where reorder point is used, the lot size for each order is $75$ units. What is the

equivalent P system if management still wants a $90$ percent cycle$-$service level? In other

words, what are the Time Between Reviews P and Target Inventory Level T$?$