Example #2 - Inventory Costing Methods The Bronx Store showed the following information relating to one of its products. Dates Transaction Details 3/1 Inventory 425 units @ $12.00 3/6 Purchases 225 @ $14.00 3/9 Sales 300 units 3/12 Purchases 800 units @ $15.00 3/18 Sales 700 units 3/25 Purchases 1,000 units @ $17.00 3/31 Sales 900 units a) What were the values of ending inventory and costs of goods sold under a periodic inventory system assuming: (1) FIFO, (2) LIFO, and (3) average cost flow? (Note: Round unit costs to two decimal places.) b) What were the values of ending inventory and costs of goods sold under a perpetual inventory system assuming: (1) FIFO, (2) LIFO, and (3) average cost flow? (Note: Round unit costs to two decimal places.)