solve q4 & 5 step by step with explanation

Required: Find EUU (B) The following information are available with respect to a material M Normal consumption 1,100 units per week MinimumconsumptionMaximumconsumption700unitsperweek1500unitsperweek C.M Sales MMx - Economic order quantity 5000 units Lead time Required: (i) Re-Order Level (ii) Minimum stock level (iii) Maximum stock level (A) The case of Perpetual Inventory System On 1-1-2013 A enterprises (dealing in electric fans) purchased 100 fans @ Rs.1000 each on credit. 10-1-2013: sold 40 fans (a) Rs.1200 each for cash 20-1-2013: purchased 50 fans @ Rs. 1100 each or credit 30-1-2013: sold 60 fans(a) Rs.1300 each on credit Required: Calculate cost of goods sold and value of ending inventory under each of the following methods 1-First-in-first out 2-Last-in-first-out 3- Average method (B) The case of Periodic Inventory System ABC Company (manufacturer of bags) made the following purchases of oil \& fuel being used in machines during year 2013: 10-1-2013; Purchased 100 liters (a) Rs. 30 each on account 20-1-2013: purchased 50 litters (a) Rs.35 each on credit 30-1-2013: 60 litters are on hand Required: Calculate cost of goods sold and value of ending inventory under each of the following methods 1- First-in-first out 2- Last-in- first-out 3- Average method GOOD LUCK