Splish Brothers Inc. Inc. had a beginning inventory of 105 units of Product RST at a cost of $ 8 per unit. During the year, purchases were: Feb. 20 590 units at $9 Aug. 12 410 units at $ 11 May 5 520 units at $ 10 Dec. 8 100 units Dat $12 Splish Brothers Inc. uses a periodic inventory system. Sales totaled 1.455 units. Your answer is incorrect. 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 decimal places, eg. 5,125.) FIFO LIFO AVERAGE-COST The ending inventory $ The cost of goods sold $ Touth