AQ$3.$ Inventory Management $(12$ marks$)$ Regional Supermarket is open all year round. Daily use of cash register tapes average $36$ rolls. Usage appears normally distributed with a standard deviation of $6$:$2$ rolls per day. $1.[6$ marks$]$ If lead time is $5$ days, what reorder point should be used to achieve a target service level of $92\%?2.[6$ marks$]$ Suppose that lead time is normally distributed with mean $4$:$8$ days and standard deviation of $0$:$9$ days. What is the service level if the reorder point is $240$ rolls?