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Pina Colada Corp. Inc, had a beginning inventory of 100 units of Product RST at a cost of $9 per unit. During the year, purchases were: Pina Colada Corpy.1ses a periodic inventory system. Sales totaled 1,460 units. Determine the ending inventory and the cost of goods sold under each of the assumed cost flow methods (FIFO, LIFO, and average-cost). (Round per unit cost to 3 decimal places, eg. 15.647 and final answers to 0 decimal places, eg. 5,125.)