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 Retail Mar. 1 Beginning inventory 220 units @ $53.40 per unit Mar. 5 Purchase 285 units @ $58.40 per unit Mar. 9 Sales 380 units @ $88.40 per unit Mar. 18 Purchase 145 units @ $63.40 per unit Mar. 25 Purchase 270 units @ $65.40 per unit Mar. 29 Sales 250 units @ $98.40 per unit Totals 920 units 630 units