Problem 5-1A Perpetual: Alternative cost flows LO P1 [The following information applies to the questions displayed below.] 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 150 units $52.00 per unit 250 units $57.00 per unit Mar 1 Beginning inventory Mar. 5 Purchase Mar. 9 Sales Mar. 18 Purchase Mar. 25 Purchase Mar. 29 Sales 310 units $87.00 per unit 110 units 200 units $62.00 per unit $64.00 per unit 180 units $97.00 per unit Totals 710 units 490 units