Cornerstone Exercise 6-30 (Algorithmic) Inventory Costing Methods: Periodic FIFO (Appendix 6B) 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 1 150 units @ $10 - $1,500 Beginning Inventory Purchase 1 9 200 units @ $12 = $2,400 14 Sale 1 300 units @ $25 22 Purchase 2 250 units @ $19 - $4,750 29 Sale 2 225 units @ $25 Assume that Filimonov uses a periodic inventory system.