Lee Corporation had 400 units of inventory on hand at July 1, 20x2, costing $20 each. Purchases and sales of goods during the month of July were as follows: July 12, 1999 Sales: 200 units @ $40 July 15, 1999 Purchases: 100 units @ $26 July 25, 1999 Purchases: 300 units @ $28 July 30, 1999 Sales: 200 units @ $40 Assuming Lee Corporation does not maintain perpetual inventory records according to a physical count, 400 units were on hand at July 31, 20x2. The cost of inventory at July 31, 20x2, using the weighted average cost method, is