Problem 6-5A 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 42 $38 June 1 June 4 Description Beginning inventory Purchase Sale 41 139 105 72 Sale return 17 72 54 44 June 10 June 11 June 18 June 18 June 25 June 28 Purchase Purchase return 10 44 Sale 67 77 Purchase 32 47 Calculate cost per unit. (Round answer to 2 decimal places, e.g. 5.25.) Weighted-average cost per unit to LINK TO TEXT 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 e.g. 1,250.25 and other answers to 0 decimal places, e.g. 1,250.) LIFO FIFO AVERAGE-COST The ending inventory $ $ $ The cost of goods sold $ $ $ Gross profit ta $ $ LINK TO TEXT Calculate gross profit rate under each of the following methods. (1) LIFO. (2) FIFO. (3) Average-cost. (Round answers to 1 decimal place, e.g. 51.2%.) LIFO FIFO AVERAGE-COST Gross profit rate % % %