You have the following information for Sheffield Inc. for the month ended June 30, 2022. Sheffield uses a periodic inventory system. Unit Cost or Date Description Quantity Selling Price June 1 Beginning inventory 40 $32 June 4 Purchase 135 35 June 10 Sale 110 62 June 11 Sale return 15 62 June 18 Purchase 55 38 June 18 Purchase return 10 38 June 25 Sale June 28 28 Purchase 65 68 35 42 (a1) Your Answer Correct Answer (Used) Calculate cost per unit. (Round answer to 2 decimal places, e.g. 5.25.) Weighted-average cost per unit $ 36.02 Calculate ending inventory, cost of goods sold, gross profit under each of the following methods. (1) LIFO. (2) FIFO. (3) Average- cost. (Round average-cost method answers to 2 decimal places, e.g. 1,250.25 and other answers to O decimal places, e.g. 1,250.) The ending inventory $ The cost of goods sold $ Gross profit $ LIFO FIFO $ $ $ AVERAGE-COST $ $ $ Calculate gross profit rate under each of the following methods. (1) LIFO. (2) FIFO. (3) Average-cost. (Round answers to 1 decimal place, e.g. 51.2%) LIFO FIFO Gross profit rate Compare results for the three cost flow assumptions and answer the following questions. AVERAGE-COST In this period of rising prices, gives the highest cost of goods sold and the gross profit. gives the lowest cost of goods sold and the gross profit. %