(a) Buffalo Industries uses a periodic inventory system and reports the following for the month of June. Date Explanation Units Unit Cost Total Cost June 1 Inventory 90 $4 $360 12 Purchases 360 6 2,160 23 Purchases 225 8 1,800 30 Inventory 205 Compute the cost of the ending inventory and the cost of goods sold under FIFO, LIFO, and average-cost. (For calculation purposes, round average cost to 3 decimal places, e.g. 5.275. Round answers to O decimal places, e.g. 125.) FIFO The cost of the ending inventory $ The cost of goods sold $ LIFO Average-Cost S