You have the following information for Sheffield Inc. for the month ended June 30, 2022. Sheffield uses a periodic inventory system Unit Cost Selling Date 1 Description Quantity Price June 1 Beginning inventory 40 $54 June 4 Purchase 135 57 June 10 Sale 110 June 11 Sale return June 18 Purchase June 18 Purchase return June June 25 Sale Purchase 22 23 2 15 55 10 65 35 3 3 2 8 8 3 84 60 60 64 Calculate cost per unit. (Round answer to 2 decimal places, eg. 3.25.) Weighted average cost per unit $ eTextbook and Media Calculate ending inventory, cost of goods sold, gross pront under each of the following methods. (1) LIFO (2) FIFO (3) Average-cost (Round average-cost method answers to 2 decimal places, eg 1,250.25 and other answers to O decimal places, e.g. 1.250.) LIFO FIFO AVERAGE-COST The ending inventory The cost of goods sold Gross Textbook and Media