Current Attempt in Progress Martinez Corp. uses a periodic inventory system and reports the following for the month of June. Date Explanation Units Unit Cost Total Cost June 1 Inventory 98 $4 $392 12 Purchases 392 6 2,352 23 Purchases 245 8 1,960 30 Inventory 225 (a) 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 0 decimal places, e.g. 125.) The cost of the ending inventory The cost of goods sold Save for Later FIFO LIFO Average-Cost