Horne Inc. uses a periodic inventory system. Its records show the following for the month of May, in which 95 units were sold. Calculate the weighted-average unit cost. (Round answers to 3 decimal places, e.g. 5.125.) Calculate the ending inventory at May 31 using the FIFO method. The ending inventory at May 31 using the FIFO Calculate the ending inventory at May 31 using the LIFO method. The ending inventory at May 31 using the LIFO Calculate the ending inventory at May 31 using the average-cost method. (Round answer to 0 decimal places, e.g. 125.) The ending inventory at May 31 using the average cost