Pember Inc. is a retailer operating in Edmonton, Alberta. Pember uses the perpetual inventory method. All sales returns from customers result in the goods being returned to inventory. (Assume that the inventory is not damaged.) Assume that there are no credit transactions; all amounts are settled in cash. You are provided with the following information for Pember Inc. for the month of January 2014.

Date?Description?Quantity?Unit Cost or Selling Price

Dec. 31 Ending inventory 160 $20

Jan. 2 Purchase 100 22

Jan. 6 Sale 180 40

Jan. 9 Purchase 75 24

Jan. 10 Sale 50 45

Jan. 23 Purchase 100 25

Jan. 30 Sale 130 48

Calculate average cost for each unit.?(Round answers to 3 decimal places, e.g. 5.125.)

Jan. 1		$20.000
Jan. 2		$20.769
Jan. 6		$ 20.769
Jan. 9		$ 22.332 or 22.333
Jan. 10		$ 22.332 or 22.333
Jan. 23		$ 23.634
Jan. 30		$23.634