MacBook Pro Problem 2. Part B678: Demand 1800 unit/year, 1 yr = 50 week. Ordering cost include: Rush setup cost $100/order, packing cost $20/order, shipping damage insurance cost $35/order, custon $20/order. Inventory cost include: The purchase cost is $500/unit. The bank's annual interest 10% compound annually, 365 day/yr, The warehouse keeping cost is $15/unit-yr. Find: 1) Calculate the demand rate per year, per week. 2) Calculate the ordering cost, Cp per order. 3) Calculate the inventory cost, Caper unit-year, per unit-week. 4) The theoretical Economic Order Quantity. 5) The actual order interval in weeks. 6) The actual Economic Order Quantity. 7) The actual Total Cost per unit. 8) The actual Total Cost per year. 9) Create the 12-week MRP records, where the minimum lot size equals to the actual Economic Ord Quantity from your result in 6), safety stock 10 units, 1 week lead time. The scheduled receipt in equals to the actual Economic Order Quantity. Initial inventory 10 units. 10) Calculate the inventory cost of these 12-week MRP record using the average inventory level. 11) Calculate the ordering cost of these 12-week MRP record. 12) Calculate the ordering cost and the inventory cost of these 12-week MRP using the average inv level. 13) Manually plot the 12-week inventory changes on a grid paper to scale. 2 3 4 5 6 7 8 9 10 MRP record of an end-product item Part B678: Week 1 Gross Requirements Scheduled Receipt Beginning Inventory Ending Inventory Average Inventory Order Quantity Lot size = ,Lead-time = Safety stock = Safety Lead-time =