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Question 2 a) You are required to compute (1) Economic ordering quantity and (ii) Frequency of the orders in terms of days, from the data given below: Consumption of Material per annum OMR 8000 Ordering costs per order OMR 25 Storage and carrying cost per annum 10% of inventory value. (4 marks) b) The following information is available in respect of component D20: Maximum stock level 42,000 units Budgeted consumption = Maximum 7500 units per month Minimum 4000 units per month Estimated delivery period: Maximum 4 months Minimum 2 months You are required to calculate: i. Re-order level ii. Re-order quantity (4 marks) c) Two components X and Y are used as follows: Normal usage - 600 units per week each Maximum usage - 900 units per week each Minimum usage - 300 units per week each Reorder quantity: X 4,800 units Y 7,200 units Reorder Period: X 4 to 6 weeks Y 2 to 4 weeks. Calculate for each component: (1) Maximum level (ii) Average stock level. (2 marks)