Current Attempt in Progress Sandhill Co. uses a periodic inventory system. Its records show the following for the month of May, in which 79 units were sold. Date Explanation Units Unit Cost Total Cost May 1 Inventory 34 $8 $272 15 Purchase 26 24 Purchase 40. 10 90 234 400 Total 100 $906 (a) Your answer has been saved. See score details after the due date. Calculate the weighted average unit cost. (Round answer to 3 decimal places, eg. 5.125.) Weighted average unit cost 9.060 eTextbook and Media Attempts: 1 of 1 used Attempts: 1 of 1 used (b) Calculate the ending inventory at May 31 using the FIFO, LIFO and average-cost methods. (Round answers to O decimal places, eg 125) FIFO The ending inventory at May $ 31 eTextbook and Media Save for Later LIFO $ AVERAGE-COST Attempts: 0 of 1 used Submit