(Appendix 6B) Inventory Costing Methods: Perlodic LIFO Filimonov Inc. has the following information related to purchases and sales of ane of its inumatumu inam. Assume that Filimonov uses a periodic inventory system. Required: Calculate the cost of goods sold and the cost of ending inventory using the LiFo inventory costing method. Cost of goods sold Cost of ending inventory Fwedback F Check My Work.