Warnerwoods Company uses a perpetual inventory system. It entered into the following purchases and sales transactions for March. Date Activities Units Acquired at Cost Units Sold at Reta 150 units $52.00 per unit Mar. 1 Beginning inventory Mar. 5 Purchase 250 units $5700 per unit 310 units $8700 per unit Mar. 9 Sales 110 units $62.00 per unit Mar. 18 Purchase 200 units $64.00 per unit Mar. 25 Purchase 180 units $9700 per unit Mar. 29 Sales Totals 710 units 490 units