the acme catalogue company resells a wide variety of products that they purchase from other companies. one of their best selling products has an average demand of 200 units per week and a standard deviation of demand equal to 50 units per week. the manufacturer of the product, cti incorporated, is very reliable with their shipments for acme, but requires a 10 day lead time. if acme wishes to achieve a 95% service level, what reorder point should they use? (both acme and cti operate 7 days per week).