The RJM Company uses the perpetual inventory system with a subsidiary ledger for inventory. Enter the following information in the inventory balance for product U47. Be sure to keep the balance on hand up-to-date. Purchased on account 13 units at a cost of $10 each. (Inventory on hand prior to this purchase was zero units.) Sold 7 units for $15.70 each. Sold 1 unit for $15.70 each. This is a cash sale. Purchased on account 12 additional units at a cost of $10 each.