Montoure Company uses a perpetual inventory system. It entered into the following calendar-year purchases and sales transactions. Date January 1 Activities Beginning inventory February 10 March 13 Purchase Purchase March 15 August 21 September 5 Sales Purchase Purchase September 10 Sales Totals Units Sold at Retail Units Acquired at Cost 600 units $45 per unit 400 units 200 units $42 per unit @$27 per unit 800 units $75 per unit 100 units 500 units $50 per unit $46 per unit 1,800 units 600 units $75 per unit 1,400 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 2. Compute the number of units in ending inventory Ending inventory unes units