(Appendix 6B) Inventory Costing Methods: Periodic LIFO Filimonov Inc. has the following information related to purchases and sales of one of its inventory items: Date Description Units Purchased at Cost Units Sold at Retail June 1 Beginning Inventory 150 units @ $7 = $1,050 9 Purchase 1 200 units @ $12 = $2,400 14 Sale 1 300 units @ $25 22 Purchase 2 250 units @ $14 = $3,500 29 Sale 2 225 units @ $25 Assume that Filimonov uses a periodic inventory system. Required: Calculate the cost of