Montoure Company uses a periodic inventory system. It entered into the following calendar-year purchases and sales transactions, Date Activities Units Acquired at Cost Jan. 1 Beginning inventory Units sold at Retail 670 units @ $70.00 per unit Feb. 10 Purchase 435 units e $67.00 per unit Mar. 13 Purchase 235 units e $52.00 per unit Mar. 15 Sales 835 units # $100.00 per unit Aug. 21 Purchase 170 units e $75.00 per unit Sept. 5 Purchase 570 units @ $71.00 per unit Sept. 10 Sales 740 units $100.00 per unit Totals 2,080 units 1,575 units Required: 1. Compute cost of goods available for sale and the number of units available for sale. $ Cost of goods available for sale Number of units available for sale 141,485 2.080 units 2. Compute the number of units in ending inventory Ending inventory 505 units CPU WE LUSassigned to ending inventory using (a) FIFO, (b) LIFO. () weighted average, and (d) specific identification. For specific identification units sold consist of 670 units from beginning inventory, 265 from the February 10 purchase, 235 from the March 13 purchase, 85 from the August 21 purchase, and 320 from the September 5 purchase. (Round your average cost per unit to 2 decimal places. Round your final answers to the nearest whole dollar amount.) Ending Inventory FIFO (b) LIFO (c) Weighted average (d) Specific identification 4. Compute gross profit earned by the company for each of the four costing methods. (Round your average cost per unit to 2 decimal places. Round your final answers to the nearest whole dollar amount.) FIFO LIFO Weighted Average Specific Identification Sales Less: Cost of goods sold Gross profit $ 0 $ 0 $ 0 $ 0