Harold Co. reported the following current-year purchases and sales data for its only product. Date Jan. 1 Beginning inventory Jan. 10 Sales Mar. 14 Purchase Mar. 15 Sales July 30 Purchase Oct. 5 Sales Oct. 26 Purchase Activities Units Acquired at Cost 100 units $10 $1,000 250 units $15 3,750 400 units $208,000 600 units $2515,000 $27,750 Units Sold at Retail 90 units a$40 140 units a$40 300 units $40 Totals 1,350 units 530 units Harold uses a perpetual inventory system