PROBLEM 2 Bartle Co. began operating on January 1 of the current year. During the year, Bartle sold 28,000 units at an average price of $80 each, and made the January 1 March 1 June 1 September 1 November 1.. Units Unit Price 5,400 4,100 4,800 8,400 5,400 $50 54 56 61 69 73 $ 270,000 221,400 268,800 512,400 372,600 138.700 $1783,900 December 1 Instructions: Using the periodic inventory system, determine the ending inventory, the cost of merchandise sold, and the gross profit for Bartle, using each of the following methods of inventory costing: (1) fifo, (2) lifo, and (3) weighted average cost. (Round unit cost to two decimal places.) Average Sales Purchases.$ 1.783,900 Less ending inventory ..s Cost of merchandise sold.S Gross profit 1,783,900 $1,783,900