Montoure Company uses a periodic inventory system. It entered into the following calendar-year purchases and sales transactions. Date January 1 Units Acquired at Cost Units Sold at Retail Activities Beginning inventory February 10 Purchase March 13 Purchase March 15 Sales August 21 Purchase September 5 Purchase September 10 Sales Totals Required: 610 units 420 units 210 units 110 units 510 units 1,860 units @$45.00 per unit @ $42.00 per unit @$27.00 per unit @$50.00 per unit @$46.00 per unit 840 units @ $75.00 per unit 620 units @$75.00 per unit 1,460 units 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 units 2. Compute the number of units in ending inventory. Ending inventory units 3. Compute the cost assigned to ending inventory using (a) FIFO. (b) LIFO (d weighted average and ich specific identification. For