QUESTION 4 (15 MARKS: 27 MINUTES) Bibi Berhad uses the periodic inventory system to account for Inventories. Sales for the month of March are 1,450 units. Information related to Bibl Berhad's Inventory at 31 March is given below: RM March 1 Beginning inventory 8 Purchase 16 Purchase 24 Purchase Total units and cost units Price (RM) 400 @ RM10.00 = 800@ RM10.40 = 600 @ RM10.80 = 200 @ RM11.60 = 2.000 4,000 8,320 6,480 2.320 21.120 Required: a) Show computations to value the ending inventory using the FIFO cost (5 marks) b) Show computations to value the ending inventory using the weighted average cost method. (4 marks) c) Show computations to value the ending inventory using the LIFO cost. (4 marks) d) If you were a manager of this business, which method would you prefer? (2 marks)