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Oriole Company had a beginning inventory of 115 units of Product RST at a cost of $ 7 per unit. During the year, purchases were: Feb. 20 660 $8 Aug. 12 430 units at $ 10 units at units at May 5 520 $9 Dec. 8 115 units at $11 Oriole uses a periodic inventory system. Sales totaled 1,600 units. Determine the ending inventory and the cost of goods sold under each of the assumed cost flow methods (HIF average-cost). (Round answers to decimal places, eg. 150.) FIFO LIFO AVERAGE-COST $ $ $ 1805 1125 2515 The ending inventory $ $ 14400 $ $ 14525 The cost of goods sold 13815