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Problem 6-3A Perpetual: Alternative cost flows LO P1 Montoure Company uses a perpetual inventory system. It entered into the following calendar-year purchases and sales transactions Jan. Beginning inventory Feb. 10 Purchase Mar. 13 Purchase Mar. 15 Sales Aug. 21 Purchase Sept. 5 Purchase Sept. 10 Sales 600 units$45 per unit 400 units$42 per unit 200 units$27 per unit 800 units S75 per unit 100 units $50 per unit 500 units$46 per unit 600 units S75 per unit 1,400 units Totals 1, 800 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 $ 77,200 1,800 units 2. Compute the number of units in ending inventory Ending 400 units