You are provided with the following information for Koetteritz Inc. for the month ended June 30, 2017. Koetteritz uses the periodic method for inventory. Date Quantity Unit Cost or Selling Price $39 June 1 June 4 June 10 June 11 June 18 June 18 June 25 June 28 Description Beginning inventory Purchase Sale Sale return Purchase Purchase return Sale Purchase (1) Your answer is correct. Calculate cost per unit. (Round answer to 2 decimal places, e.g. 5.25.) Weighted average cost per unit 43.07 Calculate ending inventory, cost of goods sold, gross profit under each of the following methods. (1) LIFO (2) FIFO. (3) Average-cost. (Round average cost method answers to 2 decimal places, e.g. 1,250.25 and other answers to decimal places, e.g. 1,250.) The ending inventory 3825 AVERAGE-COST 4046.58 6976:42 5221.58 The cost of goods sold 7200 Gross proft 4998 5 409