Warnerwoods Company uses a perpetual inventory system. It entered into the following purchases and sales transactions for March. Date Mar. Activities 1 Beginning inventory Mar. 5 Purchase Mar. 9 Sales Mar. 18 Purchase Mar. 25 Purchase Mar. 29 Sales Totals Units Acquired at Cost 100 units @ $50.00 per unit 400 units $55.00 per unit 120 units @ $60.00 per unit 200 units @$62.00 per unit 820 units Units Sold at Retail 420 units @ $85.00 per unit 160 units @ $95.00 per unit 580 units