You have the following information for Sheffield Corp. for the month ended October 31, 2022. Sheffield uses a periodic method for Inventory Date Units Description Beginning inventory Purchase Unit Cost or Selling Price $22 Oct 1 70 Oct. 9 120 24 Oct. 11 Sale 90 35 Oct. 17 Purchase 90 25 Oct. 22 Sale 70 40 Oct. 25 Purchase 80 27 Oct. 29 Sale 100 40 (a1) Calculate the weighted average cost. (Round answer to 3 decimal places, c.8. 5.125.) Weighted average cost per unit $