The annual demand for a product is 15,900 units. The weekly demand is 306 units with a standard ceviation or 80 unas The cost to place on order is $33.50, and the time from ordering to receipt is eight weeks. The annuad inventory carrytng cost is $010 per unit. 0. Find the reorder point necessary to provide a 99 percent service probability, (Use Excels NORMSINV0 function to find the correct critical value for the given allevel. Round " z " value to 2 decimal ploces.) b. Suppose the production manoger is osked to reduce the salety stock of this item by 60 percent. If she coes so, whot will the new service probobility be? (Use Excer's NORMSDIST0 function to find the correct proboblity for your computed Z. value. Round " z " velue to 2 decimal pleces and final answer to 1 decimal place.)