how do i do the specific identification

Montoure Company uses a perpetual inventory system. It entered into the following calendar year purchases and sales transactions Units sold at Retail Date Activities January 1 Beginning inventory February 10 Purchase March 13 Purchase March 15 Sales August 21 Purchase September 5 Purchase September 10 Sales Totals Units Acquired at Cost 680 units @ $45 per unit 400 units @ $42 per unit 200 units @ $27 per unit 100 units @ $50 per unit 500 units @ $46 per unit 800 units @ $75 per unit 600 units a $75 per unit 1,400 units 1,800 units Required: 1. Compute cost of goods available for sale and the number of units available for sale. Answer is complete and correct. $ Cost of goods available for sale Number of units available for sale 77,200 1.800 units Complete this question by entering your answers in the tabs below. Weighted Perpetual FIFO perpetual LIFO Specificid Average Compute the cost assigned to ending Inventory using specific identification. For specific identification, units sold consist of 600 units from beginning inventory, 300 from the February 10 purchase, 200 from the March 13 purchase, 50 from the August 21 purchase, and 250 from the September 5 purchase. (Round your average cost per unit to 2 decimal places) Ending Inventory Date Cost per Unit Ending inventory Specific Identification Goods Available for Sale Cost of Goods Sold Cost of Cost of Goods of Coat of Cost per units units Available unit Goods per unit sold for Sale Sold 600 $ 45.00 $ 27,000 600 $ 45.00 $ 27.000 400 4200 16.800 1000 42.00 4,200 200 27.00 5.400 200 27.00 100 50.00 5.000 50 50.00 2.500 500 46.00 23.000 200 0 46.00 9.200 1.800 5 77200 1.150 $ 46 300 January 1 February 10 March 13 August 21 September Total of units In ending Inventory 0 400 2000 100 5000 1.200 5.400 45.00 4200 2700 50.00 46.00 0 10.500 5.400 5.000 23.000 $ 50,200