Warnerwoods Company uses a perpetual inventory system. It entered into the following purchases and sales transactions for March its Acquired at Cost 220 units$53.40 per unit 285 units$58.48 per unit Mar. 1 Beginning inventory Mar. 5 Purchase Mar. 9 Sales Mar. 18 Purchase Mar. 25 Purchase Mar. 29 Sales 380 units$88.40 per unit 145 units $63.40 per unit 278 units@$65.40 per unit 250 units $98.40 per unit Totals 928 units 630 units