If someone could be my hero and answer these within an hour please! :)

IM.65 Boeing orders a small part (component) used in many of its wing assemblies. Below is some information on this part:

• Cost per case = $420
• Parts per case = 48
• Daily usage of parts per day (demand) = 48
• Standard deviation of daily demand = 8
• Purchasing lead time (in days) = 13
• Desired service level = 89%
• Ordering (administrative) costs = $350
• Annual interest earned on cash = 11%

What should be the safety stock for this part (in parts, not cases)? (Display your answer to two decimal places.)

What should be the reorder point (in parts, not cases)? (Display your answer to two decimal places.)

What is the economic order quantity (in parts, not cases)? (Display your answer to the nearest whole number.)

IM.56 Throughout the year an auto parts warehouse places several orders for a high-volume automobile air filter. The demand for this air filter is very stable (flat) and the lead time from the supplier is very reliable (no variation), consequently the warehouse holds virtually no safety stock for this item. When placing orders for this air filter the warehouse uses an order quantity of 240 units and pays an annual holding cost of $1.75 per unit per year. How much will the warehouse pay in total annual holding costs for this air filter? (Display your answer to the nearest whole number.) Number IM.73 Porter's purchases specialized glass for their custom mirrors for $160 for each case of 20 units. Annual demand is estimated to be 2,200 units per year. It costs $45 to process and receive an order with a $4.93 holding cost per unit per year. What is the economic order quantity (EOQ) for purchases of glass (units, not cases)? (Display your answer to the nearest whole number.) 378