need help!

You are given the following information for Aberro Company for the year ended June 30. Aberro uses the periodic method for inventory: Date Description Units Unit Cost or Selling Price 60 49.50 120 54.45 100 Beginning 1-Jun inventory 5-Jun Purchase 6-Jun Sale 10-Jun Purchase 15-Jun Sale 23-Jun Purchase 30-Jun Sale 74.25 100 59.90 60 81.68 70 65.88 110 89.84 1 Calculate i) ending inventory, ii) cost of goods sold for EACH of the LIFO, FIFO and Average Cost 2 cost flow methods