View Policies Current Attempt in Progress Grouper Corp. uses a periodic inventory system and reports the following for the month of June. Date Units Unit Cost $4 June 1 122 Explanation Inventory Purchases Purchases Inventory Total Cost $ 488 2,928 2,440 12 488 6 23 8 305 285 30 (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.) FIFO LIFO Average-Cost The cost of the ending inventory $ $ $ The cost of goods sold $ $