Minimum-Maximum Method - use the information below to answer the following questions

4. Minimum-Maximum Method - use the information below to answer the following questions. Purchase unit for frozen chicken legs: 25-lb case . Order period: 1 week (7 days) Daily usage rate: 3 cases (21 cases per order period / 7 days) . Lead time: 2 days Safety level: 9 cases a. What is the maximum number of cases of chicken legs that should ever be in inventory ? b. What is the order point for chicken legs? c. How many cases of chicken legs should be ordered at the order point? d. How many cases should be ordered if an order is placed when there are 26 cases in inventory