[The following information applies to the questions displayed below] A company reports the following beginning inventory and two purchases for the month of January. On January 26 , the company sells 420 units. Ending inventory at January 31 totals 170 units. equired: ssume the perpetual inventory system is used. Determine the costs assigned to ending inventory when costs are assigned based on e. FiFO method. Required: Assume the perpetual inventory system is used. Determine the costs assigned to ending inventory when costs are assigned based on the FIFO method