Warnerwoods Company uses a perpetual inventory system. It entered into the following purchases and sales transactions for March. Date March 1 March 5 Activities Beginning inventory Purchase Units Acquired at Cost Units Sold at Retail 100 units @ $50 per unit 400 units @ $55 per unit March 9 Sales 420 units @ $85 per unit March 18 Purchase March 25 Purchase 120 units 200 units @ $60 per unit @ $62 per unit March 29 Sales Totals 820 units 160 units @$95 per unit 580 units Required: 1. Compute cost of goods available for sale and the number of units available for sale.