Required information [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. Beginning inventory on January 1 Purchase on January 9 Purchase on January 25 Units 380 90 120 Unit Cost $ 3.70 3.90 4.00 Assume the periodic inventory system is used. Determine the costs assigned to ending inventory when costs are assigned based on the weighted average method. (Round per unit costs to 3 decimal places. Amounts to be deducted should be indicated with a minus sign.)