Vaughn Manufacturing is a retailer operating in Calgary, Alberta. Vaughn uses the perpetual inventory method. Assume that there are no credit transactions; all amounts are settled in cash. You are provided with the following information for Vaughn for the month of January 2022. Date Description Ending inventory Purchase Quantity 150 Dec. 31 100 Jan. 2 Jan. 6 Jan. 9 Unit Cost or Selling Price $20 21 37 25 Sale Purchase Sale 185 65 60 Jan. 10 48 Jan. 23 Purchase 105 26 Jan. 30 Sale 125 51 (al) Calculate average cost for each unit. (Round answers to 3 decimal places, e.g. 5.125.) Jan. 1 $ Jan. 2 $ (a1) Calculate average cost for each unit. (Round answers to 3 decimal places, e.g. 5.125.) Jan. 1 $ Jan. 2 $ Jan. 6 ta Jan. 9 Jan. 10 $ Jan. 23 $ Jan. 30 $