Pina Colada Corp, 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 30 $9 $270 15 Purchase 25 10 250 24 Purchase 45 11 495 Total 100 $1.015 Your answer is incorrect. 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