You are provided with the following information for Koetteritz Inc. for the month ended June 30, 2017. Koette tz uses the periodic method for inventory. Unit Cost or Quantity Date Description Selling Price $40 June 1 Beginning inventory June 4 Purchase 135 44 June 10 Sale 112 71 71 June 11 Sale return 45 June 18 Purchase June 18 Purchase return 12 45 June 25 Sale 66 76 June 28 Purchase 25 48 EX Your answer is incorrect. Try again. Calculate cost per unit. (Round answer to 2 decimal places, e.g. 5.25.) Weighted average cost per unit