You have the following information for Bonita Inc. for the month ended June 30, 2022. Bonita uses a periodic inventory system Unit Cost or Selling Price Date Quantity Description Beginning Inventory June 1 40 $38 June 4 Purchase 135 41 June 10 Sale 110 68 June 13 Sale retur 15 68 18 June Purchase 55 44 June 44 18 10 Purchase return June 25 74 Sale 65 June 28 Purchase 18 35 (a 1) Calculate cost per unit. (Round answer to 2 decimal places, e.g. 5.25.) Weighted average cost per unit $