Inbox (90)- ethanhardy28@email.arizona.edu of Arizona Ma Sandhill Co. uses a periodic inventory system. Its records show the following for the month of May, in which 79 units were sold. Date May 1 15 24 Explanation Units Unit Cost Total Cost LO 5 30 25 36 91 $8 Inventory Purchase Purchase Total $ 240 225 360 $ 825 10 Calculate the weighted-average unit cost. (Round answer to 3 decimal places, e.g. 5.125.) 12 Weighted-average unit cost 9.070 Calculate the ending inventory at May 31 using the FIFO, LIFO and average-cost methods, (Round answers to O decimal places, e.g. 125.) AVERAGE-COST FIFO LIFO $ The ending inventory at May 31