Inventory information for Part 311 of Skysong Corp. discloses the following information for the month of June. June 1 Balance 450 units @ $1 June 10 Sold 300 units @ $2.40 11 Purchased 1,210 units @ $2 15 Sold 760 units @ $2.50 20 Purchased 750 units @ $3 27 Sold 460 units @ $2.70

a) Assuming that the periodic inventory method is used, compute the cost of goods sold and ending inventory under (1) LIFO and (2) FIFO.