Bramble Corp. Inc. had a beginning inventory of 100 units of Product RST at a cost of $8 per unit. During the year, purchases were: Feb. 20 610 units at 385 units at $9 $10 Aug. 12 Dec. 8. $11 $12 May 5 485 units at 100 units at Bramble Corp. uses a periodic inventory system. Sales totaled 1,440 units. (a) Your answer is correct. Determine the cost of goods available for sale. The cost of goods available for sale 16575 Calculate average cost per unit. (Round answer to 3 decimal places, eg. 2.237.) Average cost per unit $ 9.866 e Textbook and Media Attempts: 1 of 5 used (62) Determine the ending inventory and the cost of goods sold under each of the assumed cost flow methods (FIFO, LIFO, and average-cost). Prove the accuracy of the cost of goods sold under the FIFO and LIFO methods. (Round per unit cost to 3 decimal places, e.g. 15.647 and final answers to 0 decimal places, e.g. 5,125.) FIFO LIFO AVERAGE-COST The ending inventory $ $ $ The cost of goods sold $ $ $