Ending inventory at LIFO?

Inventory information for Part 311 of Waterway Corp. discloses the following information for the month of June. (a) Your answer is correct. Assuming that the periodic inventory method is used, compute the cost of goods sold and ending inventory under (1) LIFO and (2) FIFO. Assuming that the perpetual inventory method is used and costs are computed at the time of each withdrawal, what is the value of the ending inventory at LIFO? The ending inventory at LIFO