Compute the cost of the ending irventory and the cost of roods sold under (1) FIFO, (2) LFO, and (3) averagecost. (Round overoge cost per unit to 2 decimal places, es. 5.25 and final intwers to 0 declimal places es. 2.520) Which costing method gives the highest ending inventory? The highest cost of goods sold? costing method gives the highest ending inventory. method will produce the highest cost of goods sold. Suppose that Amazon uses a periodic inventory system and reports the following for the month of June