Blue Spruce Corp. uses a periodic imentory system and reports the following for the month of June: Compute the cost of the ending inventory and the cost of goods sold under FIFO, LFO, and average-cost. (Round per unit cost to 3 decimal ploces, es, 15.647 and find answers to 0 decimal ploces, es. 5.125. Which costing method gives the highest ending inventory? The highest cost of goods sold