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Inventory Costing: FIFo Filimonov inc. has the following information related to purchases and sales of one of its inventory items: Refer to the information for Fillmonov inc, and assume that the company uses a perpetual inventory system. This information has been collected in the Microsof Excel Online flie. Open the spreadsheet, perform the required analysis, and input your answers in the queste Open spreadsheet Required: Calculste the cost of poods sold and the cost of ending inventory using the FIFo inventory costing method