Hi! I have already answered Problem #6. Please help me answer Problem #7

6. Given the following list of items, Calculate the annual Classify the items as A. B, or C usage cost of each item. Item Annual Demand Ordering Cost Holding CostUnit Price 101 102 103 104 105 201 202 203 204 205 0% 20 30 30 25 35 15 20 25 25 15 500 1500 5000 10 10 25 15 35 25 10 20 40 10 0.5 0.2 4.5 1.2 0.75 1.35 0.2 0.8 2.5 1500 1000 1500 500 100 7. Using the information provided in Problem 6 a) Calculate the economic order quantity for each item. (Round to the nearest whole number.) b) Calculate the company's maximum inventory investment throughout the year. c) Calculate the company' s average inventory level