You are provided with the following information for Bramble Inc. for the month ended June 30, 2020. Bramble uses the periodic method for inventory.

Date				Description		Quantity		Unit Cost or Selling Price
June		1		Beginning inventory		39		$39
June		4		Purchase		136		43
June		10		Sale		107		67
June		11		Sale return		15		67
June		18		Purchase		52		46
June		18		Purchase return		11		46
June		25		Sale		68		72
June		28		Purchase		27		51

Calculate cost per unit. (Round answer to 2 decimal places, e.g. 5.25.)